mirror of https://git.ffmpeg.org/ffmpeg.git
3230 lines
105 KiB
C
3230 lines
105 KiB
C
/*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* simple media player based on the FFmpeg libraries
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <inttypes.h>
|
|
#include <math.h>
|
|
#include <limits.h>
|
|
#include "libavutil/avstring.h"
|
|
#include "libavutil/colorspace.h"
|
|
#include "libavutil/mathematics.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/dict.h"
|
|
#include "libavutil/parseutils.h"
|
|
#include "libavutil/samplefmt.h"
|
|
#include "libavutil/avassert.h"
|
|
#include "libavformat/avformat.h"
|
|
#include "libavdevice/avdevice.h"
|
|
#include "libswscale/swscale.h"
|
|
#include "libavcodec/audioconvert.h"
|
|
#include "libavutil/opt.h"
|
|
#include "libavcodec/avfft.h"
|
|
#include "libswresample/swresample.h"
|
|
|
|
#if CONFIG_AVFILTER
|
|
# include "libavfilter/avcodec.h"
|
|
# include "libavfilter/avfilter.h"
|
|
# include "libavfilter/avfiltergraph.h"
|
|
# include "libavfilter/buffersink.h"
|
|
#endif
|
|
|
|
#include <SDL.h>
|
|
#include <SDL_thread.h>
|
|
|
|
#include "cmdutils.h"
|
|
|
|
#include <unistd.h>
|
|
#include <assert.h>
|
|
|
|
const char program_name[] = "ffplay";
|
|
const int program_birth_year = 2003;
|
|
|
|
#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
|
|
#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
|
|
#define MIN_FRAMES 5
|
|
|
|
/* SDL audio buffer size, in samples. Should be small to have precise
|
|
A/V sync as SDL does not have hardware buffer fullness info. */
|
|
#define SDL_AUDIO_BUFFER_SIZE 1024
|
|
|
|
/* no AV sync correction is done if below the AV sync threshold */
|
|
#define AV_SYNC_THRESHOLD 0.01
|
|
/* no AV correction is done if too big error */
|
|
#define AV_NOSYNC_THRESHOLD 10.0
|
|
|
|
/* maximum audio speed change to get correct sync */
|
|
#define SAMPLE_CORRECTION_PERCENT_MAX 10
|
|
|
|
/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
|
|
#define AUDIO_DIFF_AVG_NB 20
|
|
|
|
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
|
|
#define SAMPLE_ARRAY_SIZE (2*65536)
|
|
|
|
static int sws_flags = SWS_BICUBIC;
|
|
|
|
typedef struct PacketQueue {
|
|
AVPacketList *first_pkt, *last_pkt;
|
|
int nb_packets;
|
|
int size;
|
|
int abort_request;
|
|
SDL_mutex *mutex;
|
|
SDL_cond *cond;
|
|
} PacketQueue;
|
|
|
|
#define VIDEO_PICTURE_QUEUE_SIZE 2
|
|
#define SUBPICTURE_QUEUE_SIZE 4
|
|
|
|
typedef struct VideoPicture {
|
|
double pts; ///<presentation time stamp for this picture
|
|
double duration; ///<expected duration of the frame
|
|
int64_t pos; ///<byte position in file
|
|
int skip;
|
|
SDL_Overlay *bmp;
|
|
int width, height; /* source height & width */
|
|
int allocated;
|
|
int reallocate;
|
|
enum PixelFormat pix_fmt;
|
|
|
|
#if CONFIG_AVFILTER
|
|
AVFilterBufferRef *picref;
|
|
#endif
|
|
} VideoPicture;
|
|
|
|
typedef struct SubPicture {
|
|
double pts; /* presentation time stamp for this picture */
|
|
AVSubtitle sub;
|
|
} SubPicture;
|
|
|
|
enum {
|
|
AV_SYNC_AUDIO_MASTER, /* default choice */
|
|
AV_SYNC_VIDEO_MASTER,
|
|
AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
|
|
};
|
|
|
|
typedef struct VideoState {
|
|
SDL_Thread *read_tid;
|
|
SDL_Thread *video_tid;
|
|
SDL_Thread *refresh_tid;
|
|
AVInputFormat *iformat;
|
|
int no_background;
|
|
int abort_request;
|
|
int paused;
|
|
int last_paused;
|
|
int seek_req;
|
|
int seek_flags;
|
|
int64_t seek_pos;
|
|
int64_t seek_rel;
|
|
int read_pause_return;
|
|
AVFormatContext *ic;
|
|
|
|
int audio_stream;
|
|
|
|
int av_sync_type;
|
|
double external_clock; /* external clock base */
|
|
int64_t external_clock_time;
|
|
|
|
double audio_clock;
|
|
double audio_diff_cum; /* used for AV difference average computation */
|
|
double audio_diff_avg_coef;
|
|
double audio_diff_threshold;
|
|
int audio_diff_avg_count;
|
|
AVStream *audio_st;
|
|
PacketQueue audioq;
|
|
int audio_hw_buf_size;
|
|
DECLARE_ALIGNED(16,uint8_t,audio_buf2)[AVCODEC_MAX_AUDIO_FRAME_SIZE * 4];
|
|
uint8_t silence_buf[SDL_AUDIO_BUFFER_SIZE];
|
|
uint8_t *audio_buf;
|
|
uint8_t *audio_buf1;
|
|
unsigned int audio_buf_size; /* in bytes */
|
|
int audio_buf_index; /* in bytes */
|
|
int audio_write_buf_size;
|
|
AVPacket audio_pkt_temp;
|
|
AVPacket audio_pkt;
|
|
enum AVSampleFormat audio_src_fmt;
|
|
enum AVSampleFormat audio_tgt_fmt;
|
|
int audio_src_channels;
|
|
int audio_tgt_channels;
|
|
int64_t audio_src_channel_layout;
|
|
int64_t audio_tgt_channel_layout;
|
|
int audio_src_freq;
|
|
int audio_tgt_freq;
|
|
struct SwrContext *swr_ctx;
|
|
double audio_current_pts;
|
|
double audio_current_pts_drift;
|
|
int frame_drops_early;
|
|
int frame_drops_late;
|
|
AVFrame *frame;
|
|
|
|
enum ShowMode {
|
|
SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB
|
|
} show_mode;
|
|
int16_t sample_array[SAMPLE_ARRAY_SIZE];
|
|
int sample_array_index;
|
|
int last_i_start;
|
|
RDFTContext *rdft;
|
|
int rdft_bits;
|
|
FFTSample *rdft_data;
|
|
int xpos;
|
|
|
|
SDL_Thread *subtitle_tid;
|
|
int subtitle_stream;
|
|
int subtitle_stream_changed;
|
|
AVStream *subtitle_st;
|
|
PacketQueue subtitleq;
|
|
SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
|
|
int subpq_size, subpq_rindex, subpq_windex;
|
|
SDL_mutex *subpq_mutex;
|
|
SDL_cond *subpq_cond;
|
|
|
|
double frame_timer;
|
|
double frame_last_pts;
|
|
double frame_last_duration;
|
|
double frame_last_dropped_pts;
|
|
double frame_last_returned_time;
|
|
double frame_last_filter_delay;
|
|
int64_t frame_last_dropped_pos;
|
|
double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
|
|
int video_stream;
|
|
AVStream *video_st;
|
|
PacketQueue videoq;
|
|
double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
|
|
double video_current_pts_drift; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
|
|
int64_t video_current_pos; ///<current displayed file pos
|
|
VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
|
|
int pictq_size, pictq_rindex, pictq_windex;
|
|
SDL_mutex *pictq_mutex;
|
|
SDL_cond *pictq_cond;
|
|
#if !CONFIG_AVFILTER
|
|
struct SwsContext *img_convert_ctx;
|
|
#endif
|
|
|
|
char filename[1024];
|
|
int width, height, xleft, ytop;
|
|
int step;
|
|
|
|
#if CONFIG_AVFILTER
|
|
AVFilterContext *out_video_filter; ///<the last filter in the video chain
|
|
#endif
|
|
|
|
int refresh;
|
|
} VideoState;
|
|
|
|
static int opt_help(const char *opt, const char *arg);
|
|
|
|
/* options specified by the user */
|
|
static AVInputFormat *file_iformat;
|
|
static const char *input_filename;
|
|
static const char *window_title;
|
|
static int fs_screen_width;
|
|
static int fs_screen_height;
|
|
static int screen_width = 0;
|
|
static int screen_height = 0;
|
|
static int audio_disable;
|
|
static int video_disable;
|
|
static int wanted_stream[AVMEDIA_TYPE_NB]={
|
|
[AVMEDIA_TYPE_AUDIO]=-1,
|
|
[AVMEDIA_TYPE_VIDEO]=-1,
|
|
[AVMEDIA_TYPE_SUBTITLE]=-1,
|
|
};
|
|
static int seek_by_bytes=-1;
|
|
static int display_disable;
|
|
static int show_status = 1;
|
|
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
|
|
static int64_t start_time = AV_NOPTS_VALUE;
|
|
static int64_t duration = AV_NOPTS_VALUE;
|
|
static int workaround_bugs = 1;
|
|
static int fast = 0;
|
|
static int genpts = 0;
|
|
static int lowres = 0;
|
|
static int idct = FF_IDCT_AUTO;
|
|
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
|
|
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
|
|
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
|
|
static int error_recognition = FF_ER_CAREFUL;
|
|
static int error_concealment = 3;
|
|
static int decoder_reorder_pts= -1;
|
|
static int autoexit;
|
|
static int exit_on_keydown;
|
|
static int exit_on_mousedown;
|
|
static int loop=1;
|
|
static int framedrop=-1;
|
|
static enum ShowMode show_mode = SHOW_MODE_NONE;
|
|
static const char *audio_codec_name;
|
|
static const char *subtitle_codec_name;
|
|
static const char *video_codec_name;
|
|
|
|
static int rdftspeed=20;
|
|
#if CONFIG_AVFILTER
|
|
static char *vfilters = NULL;
|
|
#endif
|
|
|
|
/* current context */
|
|
static int is_full_screen;
|
|
static int64_t audio_callback_time;
|
|
|
|
static AVPacket flush_pkt;
|
|
|
|
#define FF_ALLOC_EVENT (SDL_USEREVENT)
|
|
#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
|
|
#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
|
|
|
|
static SDL_Surface *screen;
|
|
|
|
void av_noreturn exit_program(int ret)
|
|
{
|
|
exit(ret);
|
|
}
|
|
|
|
static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
|
|
{
|
|
AVPacketList *pkt1;
|
|
|
|
/* duplicate the packet */
|
|
if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
|
|
return -1;
|
|
|
|
pkt1 = av_malloc(sizeof(AVPacketList));
|
|
if (!pkt1)
|
|
return -1;
|
|
pkt1->pkt = *pkt;
|
|
pkt1->next = NULL;
|
|
|
|
|
|
SDL_LockMutex(q->mutex);
|
|
|
|
if (!q->last_pkt)
|
|
|
|
q->first_pkt = pkt1;
|
|
else
|
|
q->last_pkt->next = pkt1;
|
|
q->last_pkt = pkt1;
|
|
q->nb_packets++;
|
|
q->size += pkt1->pkt.size + sizeof(*pkt1);
|
|
/* XXX: should duplicate packet data in DV case */
|
|
SDL_CondSignal(q->cond);
|
|
|
|
SDL_UnlockMutex(q->mutex);
|
|
return 0;
|
|
}
|
|
|
|
/* packet queue handling */
|
|
static void packet_queue_init(PacketQueue *q)
|
|
{
|
|
memset(q, 0, sizeof(PacketQueue));
|
|
q->mutex = SDL_CreateMutex();
|
|
q->cond = SDL_CreateCond();
|
|
packet_queue_put(q, &flush_pkt);
|
|
}
|
|
|
|
static void packet_queue_flush(PacketQueue *q)
|
|
{
|
|
AVPacketList *pkt, *pkt1;
|
|
|
|
SDL_LockMutex(q->mutex);
|
|
for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
|
|
pkt1 = pkt->next;
|
|
av_free_packet(&pkt->pkt);
|
|
av_freep(&pkt);
|
|
}
|
|
q->last_pkt = NULL;
|
|
q->first_pkt = NULL;
|
|
q->nb_packets = 0;
|
|
q->size = 0;
|
|
SDL_UnlockMutex(q->mutex);
|
|
}
|
|
|
|
static void packet_queue_end(PacketQueue *q)
|
|
{
|
|
packet_queue_flush(q);
|
|
SDL_DestroyMutex(q->mutex);
|
|
SDL_DestroyCond(q->cond);
|
|
}
|
|
|
|
static void packet_queue_abort(PacketQueue *q)
|
|
{
|
|
SDL_LockMutex(q->mutex);
|
|
|
|
q->abort_request = 1;
|
|
|
|
SDL_CondSignal(q->cond);
|
|
|
|
SDL_UnlockMutex(q->mutex);
|
|
}
|
|
|
|
/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
|
|
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
|
|
{
|
|
AVPacketList *pkt1;
|
|
int ret;
|
|
|
|
SDL_LockMutex(q->mutex);
|
|
|
|
for(;;) {
|
|
if (q->abort_request) {
|
|
ret = -1;
|
|
break;
|
|
}
|
|
|
|
pkt1 = q->first_pkt;
|
|
if (pkt1) {
|
|
q->first_pkt = pkt1->next;
|
|
if (!q->first_pkt)
|
|
q->last_pkt = NULL;
|
|
q->nb_packets--;
|
|
q->size -= pkt1->pkt.size + sizeof(*pkt1);
|
|
*pkt = pkt1->pkt;
|
|
av_free(pkt1);
|
|
ret = 1;
|
|
break;
|
|
} else if (!block) {
|
|
ret = 0;
|
|
break;
|
|
} else {
|
|
SDL_CondWait(q->cond, q->mutex);
|
|
}
|
|
}
|
|
SDL_UnlockMutex(q->mutex);
|
|
return ret;
|
|
}
|
|
|
|
static inline void fill_rectangle(SDL_Surface *screen,
|
|
int x, int y, int w, int h, int color)
|
|
{
|
|
SDL_Rect rect;
|
|
rect.x = x;
|
|
rect.y = y;
|
|
rect.w = w;
|
|
rect.h = h;
|
|
SDL_FillRect(screen, &rect, color);
|
|
}
|
|
|
|
#define ALPHA_BLEND(a, oldp, newp, s)\
|
|
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
|
|
|
|
#define RGBA_IN(r, g, b, a, s)\
|
|
{\
|
|
unsigned int v = ((const uint32_t *)(s))[0];\
|
|
a = (v >> 24) & 0xff;\
|
|
r = (v >> 16) & 0xff;\
|
|
g = (v >> 8) & 0xff;\
|
|
b = v & 0xff;\
|
|
}
|
|
|
|
#define YUVA_IN(y, u, v, a, s, pal)\
|
|
{\
|
|
unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
|
|
a = (val >> 24) & 0xff;\
|
|
y = (val >> 16) & 0xff;\
|
|
u = (val >> 8) & 0xff;\
|
|
v = val & 0xff;\
|
|
}
|
|
|
|
#define YUVA_OUT(d, y, u, v, a)\
|
|
{\
|
|
((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
|
|
}
|
|
|
|
|
|
#define BPP 1
|
|
|
|
static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
|
|
{
|
|
int wrap, wrap3, width2, skip2;
|
|
int y, u, v, a, u1, v1, a1, w, h;
|
|
uint8_t *lum, *cb, *cr;
|
|
const uint8_t *p;
|
|
const uint32_t *pal;
|
|
int dstx, dsty, dstw, dsth;
|
|
|
|
dstw = av_clip(rect->w, 0, imgw);
|
|
dsth = av_clip(rect->h, 0, imgh);
|
|
dstx = av_clip(rect->x, 0, imgw - dstw);
|
|
dsty = av_clip(rect->y, 0, imgh - dsth);
|
|
lum = dst->data[0] + dsty * dst->linesize[0];
|
|
cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
|
|
cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
|
|
|
|
width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
|
|
skip2 = dstx >> 1;
|
|
wrap = dst->linesize[0];
|
|
wrap3 = rect->pict.linesize[0];
|
|
p = rect->pict.data[0];
|
|
pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
|
|
|
|
if (dsty & 1) {
|
|
lum += dstx;
|
|
cb += skip2;
|
|
cr += skip2;
|
|
|
|
if (dstx & 1) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
|
|
cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
|
|
cb++;
|
|
cr++;
|
|
lum++;
|
|
p += BPP;
|
|
}
|
|
for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 = u;
|
|
v1 = v;
|
|
a1 = a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
|
|
YUVA_IN(y, u, v, a, p + BPP, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
|
|
cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
|
|
cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
|
|
cb++;
|
|
cr++;
|
|
p += 2 * BPP;
|
|
lum += 2;
|
|
}
|
|
if (w) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
|
|
cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
|
|
p++;
|
|
lum++;
|
|
}
|
|
p += wrap3 - dstw * BPP;
|
|
lum += wrap - dstw - dstx;
|
|
cb += dst->linesize[1] - width2 - skip2;
|
|
cr += dst->linesize[2] - width2 - skip2;
|
|
}
|
|
for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
|
|
lum += dstx;
|
|
cb += skip2;
|
|
cr += skip2;
|
|
|
|
if (dstx & 1) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 = u;
|
|
v1 = v;
|
|
a1 = a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
p += wrap3;
|
|
lum += wrap;
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
|
|
cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
|
|
cb++;
|
|
cr++;
|
|
p += -wrap3 + BPP;
|
|
lum += -wrap + 1;
|
|
}
|
|
for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 = u;
|
|
v1 = v;
|
|
a1 = a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
|
|
YUVA_IN(y, u, v, a, p + BPP, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
|
|
p += wrap3;
|
|
lum += wrap;
|
|
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
|
|
YUVA_IN(y, u, v, a, p + BPP, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
|
|
|
|
cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
|
|
cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
|
|
|
|
cb++;
|
|
cr++;
|
|
p += -wrap3 + 2 * BPP;
|
|
lum += -wrap + 2;
|
|
}
|
|
if (w) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 = u;
|
|
v1 = v;
|
|
a1 = a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
p += wrap3;
|
|
lum += wrap;
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
|
|
cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
|
|
cb++;
|
|
cr++;
|
|
p += -wrap3 + BPP;
|
|
lum += -wrap + 1;
|
|
}
|
|
p += wrap3 + (wrap3 - dstw * BPP);
|
|
lum += wrap + (wrap - dstw - dstx);
|
|
cb += dst->linesize[1] - width2 - skip2;
|
|
cr += dst->linesize[2] - width2 - skip2;
|
|
}
|
|
/* handle odd height */
|
|
if (h) {
|
|
lum += dstx;
|
|
cb += skip2;
|
|
cr += skip2;
|
|
|
|
if (dstx & 1) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
|
|
cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
|
|
cb++;
|
|
cr++;
|
|
lum++;
|
|
p += BPP;
|
|
}
|
|
for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
u1 = u;
|
|
v1 = v;
|
|
a1 = a;
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
|
|
YUVA_IN(y, u, v, a, p + BPP, pal);
|
|
u1 += u;
|
|
v1 += v;
|
|
a1 += a;
|
|
lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
|
|
cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
|
|
cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
|
|
cb++;
|
|
cr++;
|
|
p += 2 * BPP;
|
|
lum += 2;
|
|
}
|
|
if (w) {
|
|
YUVA_IN(y, u, v, a, p, pal);
|
|
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
|
|
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
|
|
cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void free_subpicture(SubPicture *sp)
|
|
{
|
|
avsubtitle_free(&sp->sub);
|
|
}
|
|
|
|
static void video_image_display(VideoState *is)
|
|
{
|
|
VideoPicture *vp;
|
|
SubPicture *sp;
|
|
AVPicture pict;
|
|
float aspect_ratio;
|
|
int width, height, x, y;
|
|
SDL_Rect rect;
|
|
int i;
|
|
|
|
vp = &is->pictq[is->pictq_rindex];
|
|
if (vp->bmp) {
|
|
#if CONFIG_AVFILTER
|
|
if (vp->picref->video->sample_aspect_ratio.num == 0)
|
|
aspect_ratio = 0;
|
|
else
|
|
aspect_ratio = av_q2d(vp->picref->video->sample_aspect_ratio);
|
|
#else
|
|
|
|
/* XXX: use variable in the frame */
|
|
if (is->video_st->sample_aspect_ratio.num)
|
|
aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
|
|
else if (is->video_st->codec->sample_aspect_ratio.num)
|
|
aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
|
|
else
|
|
aspect_ratio = 0;
|
|
#endif
|
|
if (aspect_ratio <= 0.0)
|
|
aspect_ratio = 1.0;
|
|
aspect_ratio *= (float)vp->width / (float)vp->height;
|
|
|
|
if (is->subtitle_st) {
|
|
if (is->subpq_size > 0) {
|
|
sp = &is->subpq[is->subpq_rindex];
|
|
|
|
if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000)) {
|
|
SDL_LockYUVOverlay (vp->bmp);
|
|
|
|
pict.data[0] = vp->bmp->pixels[0];
|
|
pict.data[1] = vp->bmp->pixels[2];
|
|
pict.data[2] = vp->bmp->pixels[1];
|
|
|
|
pict.linesize[0] = vp->bmp->pitches[0];
|
|
pict.linesize[1] = vp->bmp->pitches[2];
|
|
pict.linesize[2] = vp->bmp->pitches[1];
|
|
|
|
for (i = 0; i < sp->sub.num_rects; i++)
|
|
blend_subrect(&pict, sp->sub.rects[i],
|
|
vp->bmp->w, vp->bmp->h);
|
|
|
|
SDL_UnlockYUVOverlay (vp->bmp);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* XXX: we suppose the screen has a 1.0 pixel ratio */
|
|
height = is->height;
|
|
width = ((int)rint(height * aspect_ratio)) & ~1;
|
|
if (width > is->width) {
|
|
width = is->width;
|
|
height = ((int)rint(width / aspect_ratio)) & ~1;
|
|
}
|
|
x = (is->width - width) / 2;
|
|
y = (is->height - height) / 2;
|
|
is->no_background = 0;
|
|
rect.x = is->xleft + x;
|
|
rect.y = is->ytop + y;
|
|
rect.w = FFMAX(width, 1);
|
|
rect.h = FFMAX(height, 1);
|
|
SDL_DisplayYUVOverlay(vp->bmp, &rect);
|
|
}
|
|
}
|
|
|
|
static inline int compute_mod(int a, int b)
|
|
{
|
|
return a < 0 ? a%b + b : a%b;
|
|
}
|
|
|
|
static void video_audio_display(VideoState *s)
|
|
{
|
|
int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
|
|
int ch, channels, h, h2, bgcolor, fgcolor;
|
|
int16_t time_diff;
|
|
int rdft_bits, nb_freq;
|
|
|
|
for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
|
|
;
|
|
nb_freq= 1<<(rdft_bits-1);
|
|
|
|
/* compute display index : center on currently output samples */
|
|
channels = s->audio_tgt_channels;
|
|
nb_display_channels = channels;
|
|
if (!s->paused) {
|
|
int data_used= s->show_mode == SHOW_MODE_WAVES ? s->width : (2*nb_freq);
|
|
n = 2 * channels;
|
|
delay = s->audio_write_buf_size;
|
|
delay /= n;
|
|
|
|
/* to be more precise, we take into account the time spent since
|
|
the last buffer computation */
|
|
if (audio_callback_time) {
|
|
time_diff = av_gettime() - audio_callback_time;
|
|
delay -= (time_diff * s->audio_tgt_freq) / 1000000;
|
|
}
|
|
|
|
delay += 2*data_used;
|
|
if (delay < data_used)
|
|
delay = data_used;
|
|
|
|
i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
|
|
if (s->show_mode == SHOW_MODE_WAVES) {
|
|
h= INT_MIN;
|
|
for(i=0; i<1000; i+=channels){
|
|
int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
|
|
int a= s->sample_array[idx];
|
|
int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
|
|
int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
|
|
int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
|
|
int score= a-d;
|
|
if(h<score && (b^c)<0){
|
|
h= score;
|
|
i_start= idx;
|
|
}
|
|
}
|
|
}
|
|
|
|
s->last_i_start = i_start;
|
|
} else {
|
|
i_start = s->last_i_start;
|
|
}
|
|
|
|
bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
|
|
if (s->show_mode == SHOW_MODE_WAVES) {
|
|
fill_rectangle(screen,
|
|
s->xleft, s->ytop, s->width, s->height,
|
|
bgcolor);
|
|
|
|
fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
|
|
|
|
/* total height for one channel */
|
|
h = s->height / nb_display_channels;
|
|
/* graph height / 2 */
|
|
h2 = (h * 9) / 20;
|
|
for(ch = 0;ch < nb_display_channels; ch++) {
|
|
i = i_start + ch;
|
|
y1 = s->ytop + ch * h + (h / 2); /* position of center line */
|
|
for(x = 0; x < s->width; x++) {
|
|
y = (s->sample_array[i] * h2) >> 15;
|
|
if (y < 0) {
|
|
y = -y;
|
|
ys = y1 - y;
|
|
} else {
|
|
ys = y1;
|
|
}
|
|
fill_rectangle(screen,
|
|
s->xleft + x, ys, 1, y,
|
|
fgcolor);
|
|
i += channels;
|
|
if (i >= SAMPLE_ARRAY_SIZE)
|
|
i -= SAMPLE_ARRAY_SIZE;
|
|
}
|
|
}
|
|
|
|
fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
|
|
|
|
for(ch = 1;ch < nb_display_channels; ch++) {
|
|
y = s->ytop + ch * h;
|
|
fill_rectangle(screen,
|
|
s->xleft, y, s->width, 1,
|
|
fgcolor);
|
|
}
|
|
SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
|
|
}else{
|
|
nb_display_channels= FFMIN(nb_display_channels, 2);
|
|
if(rdft_bits != s->rdft_bits){
|
|
av_rdft_end(s->rdft);
|
|
av_free(s->rdft_data);
|
|
s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
|
|
s->rdft_bits= rdft_bits;
|
|
s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
|
|
}
|
|
{
|
|
FFTSample *data[2];
|
|
for(ch = 0;ch < nb_display_channels; ch++) {
|
|
data[ch] = s->rdft_data + 2*nb_freq*ch;
|
|
i = i_start + ch;
|
|
for(x = 0; x < 2*nb_freq; x++) {
|
|
double w= (x-nb_freq)*(1.0/nb_freq);
|
|
data[ch][x]= s->sample_array[i]*(1.0-w*w);
|
|
i += channels;
|
|
if (i >= SAMPLE_ARRAY_SIZE)
|
|
i -= SAMPLE_ARRAY_SIZE;
|
|
}
|
|
av_rdft_calc(s->rdft, data[ch]);
|
|
}
|
|
//least efficient way to do this, we should of course directly access it but its more than fast enough
|
|
for(y=0; y<s->height; y++){
|
|
double w= 1/sqrt(nb_freq);
|
|
int a= sqrt(w*sqrt(data[0][2*y+0]*data[0][2*y+0] + data[0][2*y+1]*data[0][2*y+1]));
|
|
int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
|
|
+ data[1][2*y+1]*data[1][2*y+1])) : a;
|
|
a= FFMIN(a,255);
|
|
b= FFMIN(b,255);
|
|
fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
|
|
|
|
fill_rectangle(screen,
|
|
s->xpos, s->height-y, 1, 1,
|
|
fgcolor);
|
|
}
|
|
}
|
|
SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
|
|
s->xpos++;
|
|
if(s->xpos >= s->width)
|
|
s->xpos= s->xleft;
|
|
}
|
|
}
|
|
|
|
static void stream_close(VideoState *is)
|
|
{
|
|
VideoPicture *vp;
|
|
int i;
|
|
/* XXX: use a special url_shutdown call to abort parse cleanly */
|
|
is->abort_request = 1;
|
|
SDL_WaitThread(is->read_tid, NULL);
|
|
SDL_WaitThread(is->refresh_tid, NULL);
|
|
|
|
/* free all pictures */
|
|
for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
|
|
vp = &is->pictq[i];
|
|
#if CONFIG_AVFILTER
|
|
if (vp->picref) {
|
|
avfilter_unref_buffer(vp->picref);
|
|
vp->picref = NULL;
|
|
}
|
|
#endif
|
|
if (vp->bmp) {
|
|
SDL_FreeYUVOverlay(vp->bmp);
|
|
vp->bmp = NULL;
|
|
}
|
|
}
|
|
SDL_DestroyMutex(is->pictq_mutex);
|
|
SDL_DestroyCond(is->pictq_cond);
|
|
SDL_DestroyMutex(is->subpq_mutex);
|
|
SDL_DestroyCond(is->subpq_cond);
|
|
#if !CONFIG_AVFILTER
|
|
if (is->img_convert_ctx)
|
|
sws_freeContext(is->img_convert_ctx);
|
|
#endif
|
|
av_free(is);
|
|
}
|
|
|
|
static void do_exit(VideoState *is)
|
|
{
|
|
if (is) {
|
|
stream_close(is);
|
|
}
|
|
av_lockmgr_register(NULL);
|
|
uninit_opts();
|
|
#if CONFIG_AVFILTER
|
|
avfilter_uninit();
|
|
#endif
|
|
avformat_network_deinit();
|
|
if (show_status)
|
|
printf("\n");
|
|
SDL_Quit();
|
|
av_log(NULL, AV_LOG_QUIET, "%s", "");
|
|
exit(0);
|
|
}
|
|
|
|
static int video_open(VideoState *is, int force_set_video_mode){
|
|
int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
|
|
int w,h;
|
|
|
|
if(is_full_screen) flags |= SDL_FULLSCREEN;
|
|
else flags |= SDL_RESIZABLE;
|
|
|
|
if (is_full_screen && fs_screen_width) {
|
|
w = fs_screen_width;
|
|
h = fs_screen_height;
|
|
} else if(!is_full_screen && screen_width){
|
|
w = screen_width;
|
|
h = screen_height;
|
|
#if CONFIG_AVFILTER
|
|
}else if (is->out_video_filter && is->out_video_filter->inputs[0]){
|
|
w = is->out_video_filter->inputs[0]->w;
|
|
h = is->out_video_filter->inputs[0]->h;
|
|
#else
|
|
}else if (is->video_st && is->video_st->codec->width){
|
|
w = is->video_st->codec->width;
|
|
h = is->video_st->codec->height;
|
|
#endif
|
|
} else {
|
|
w = 640;
|
|
h = 480;
|
|
}
|
|
if(screen && is->width == screen->w && screen->w == w
|
|
&& is->height== screen->h && screen->h == h && !force_set_video_mode)
|
|
return 0;
|
|
screen = SDL_SetVideoMode(w, h, 0, flags);
|
|
if (!screen) {
|
|
fprintf(stderr, "SDL: could not set video mode - exiting\n");
|
|
do_exit(is);
|
|
}
|
|
if (!window_title)
|
|
window_title = input_filename;
|
|
SDL_WM_SetCaption(window_title, window_title);
|
|
|
|
is->width = screen->w;
|
|
is->height = screen->h;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* display the current picture, if any */
|
|
static void video_display(VideoState *is)
|
|
{
|
|
if(!screen)
|
|
video_open(is, 0);
|
|
if (is->audio_st && is->show_mode != SHOW_MODE_VIDEO)
|
|
video_audio_display(is);
|
|
else if (is->video_st)
|
|
video_image_display(is);
|
|
}
|
|
|
|
static int refresh_thread(void *opaque)
|
|
{
|
|
VideoState *is= opaque;
|
|
while(!is->abort_request){
|
|
SDL_Event event;
|
|
event.type = FF_REFRESH_EVENT;
|
|
event.user.data1 = opaque;
|
|
if(!is->refresh){
|
|
is->refresh=1;
|
|
SDL_PushEvent(&event);
|
|
}
|
|
//FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
|
|
usleep(is->audio_st && is->show_mode != SHOW_MODE_VIDEO ? rdftspeed*1000 : 5000);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* get the current audio clock value */
|
|
static double get_audio_clock(VideoState *is)
|
|
{
|
|
if (is->paused) {
|
|
return is->audio_current_pts;
|
|
} else {
|
|
return is->audio_current_pts_drift + av_gettime() / 1000000.0;
|
|
}
|
|
}
|
|
|
|
/* get the current video clock value */
|
|
static double get_video_clock(VideoState *is)
|
|
{
|
|
if (is->paused) {
|
|
return is->video_current_pts;
|
|
} else {
|
|
return is->video_current_pts_drift + av_gettime() / 1000000.0;
|
|
}
|
|
}
|
|
|
|
/* get the current external clock value */
|
|
static double get_external_clock(VideoState *is)
|
|
{
|
|
int64_t ti;
|
|
ti = av_gettime();
|
|
return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
|
|
}
|
|
|
|
/* get the current master clock value */
|
|
static double get_master_clock(VideoState *is)
|
|
{
|
|
double val;
|
|
|
|
if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
|
|
if (is->video_st)
|
|
val = get_video_clock(is);
|
|
else
|
|
val = get_audio_clock(is);
|
|
} else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
|
|
if (is->audio_st)
|
|
val = get_audio_clock(is);
|
|
else
|
|
val = get_video_clock(is);
|
|
} else {
|
|
val = get_external_clock(is);
|
|
}
|
|
return val;
|
|
}
|
|
|
|
/* seek in the stream */
|
|
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
|
|
{
|
|
if (!is->seek_req) {
|
|
is->seek_pos = pos;
|
|
is->seek_rel = rel;
|
|
is->seek_flags &= ~AVSEEK_FLAG_BYTE;
|
|
if (seek_by_bytes)
|
|
is->seek_flags |= AVSEEK_FLAG_BYTE;
|
|
is->seek_req = 1;
|
|
}
|
|
}
|
|
|
|
/* pause or resume the video */
|
|
static void stream_toggle_pause(VideoState *is)
|
|
{
|
|
if (is->paused) {
|
|
is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
|
|
if(is->read_pause_return != AVERROR(ENOSYS)){
|
|
is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
|
|
}
|
|
is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
|
|
}
|
|
is->paused = !is->paused;
|
|
}
|
|
|
|
static double compute_target_delay(double delay, VideoState *is)
|
|
{
|
|
double sync_threshold, diff;
|
|
|
|
/* update delay to follow master synchronisation source */
|
|
if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
|
|
is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
|
|
/* if video is slave, we try to correct big delays by
|
|
duplicating or deleting a frame */
|
|
diff = get_video_clock(is) - get_master_clock(is);
|
|
|
|
/* skip or repeat frame. We take into account the
|
|
delay to compute the threshold. I still don't know
|
|
if it is the best guess */
|
|
sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
|
|
if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
|
|
if (diff <= -sync_threshold)
|
|
delay = 0;
|
|
else if (diff >= sync_threshold)
|
|
delay = 2 * delay;
|
|
}
|
|
}
|
|
|
|
av_dlog(NULL, "video: delay=%0.3f A-V=%f\n",
|
|
delay, -diff);
|
|
|
|
return delay;
|
|
}
|
|
|
|
static void pictq_next_picture(VideoState *is) {
|
|
/* update queue size and signal for next picture */
|
|
if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
|
|
is->pictq_rindex = 0;
|
|
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
is->pictq_size--;
|
|
SDL_CondSignal(is->pictq_cond);
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
}
|
|
|
|
static void update_video_pts(VideoState *is, double pts, int64_t pos) {
|
|
double time = av_gettime() / 1000000.0;
|
|
/* update current video pts */
|
|
is->video_current_pts = pts;
|
|
is->video_current_pts_drift = is->video_current_pts - time;
|
|
is->video_current_pos = pos;
|
|
is->frame_last_pts = pts;
|
|
}
|
|
|
|
/* called to display each frame */
|
|
static void video_refresh(void *opaque)
|
|
{
|
|
VideoState *is = opaque;
|
|
VideoPicture *vp;
|
|
double time;
|
|
|
|
SubPicture *sp, *sp2;
|
|
|
|
if (is->video_st) {
|
|
retry:
|
|
if (is->pictq_size == 0) {
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
if (is->frame_last_dropped_pts != AV_NOPTS_VALUE && is->frame_last_dropped_pts > is->frame_last_pts) {
|
|
update_video_pts(is, is->frame_last_dropped_pts, is->frame_last_dropped_pos);
|
|
is->frame_last_dropped_pts = AV_NOPTS_VALUE;
|
|
}
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
//nothing to do, no picture to display in the que
|
|
} else {
|
|
double last_duration, duration, delay;
|
|
/* dequeue the picture */
|
|
vp = &is->pictq[is->pictq_rindex];
|
|
|
|
if (vp->skip) {
|
|
pictq_next_picture(is);
|
|
goto retry;
|
|
}
|
|
|
|
/* compute nominal last_duration */
|
|
last_duration = vp->pts - is->frame_last_pts;
|
|
if (last_duration > 0 && last_duration < 10.0) {
|
|
/* if duration of the last frame was sane, update last_duration in video state */
|
|
is->frame_last_duration = last_duration;
|
|
}
|
|
delay = compute_target_delay(is->frame_last_duration, is);
|
|
|
|
time= av_gettime()/1000000.0;
|
|
if(time < is->frame_timer + delay)
|
|
return;
|
|
|
|
if (delay > 0)
|
|
is->frame_timer += delay * FFMAX(1, floor((time-is->frame_timer) / delay));
|
|
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
update_video_pts(is, vp->pts, vp->pos);
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
|
|
if(is->pictq_size > 1) {
|
|
VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
|
|
duration = nextvp->pts - vp->pts; // More accurate this way, 1/time_base is often not reflecting FPS
|
|
} else {
|
|
duration = vp->duration;
|
|
}
|
|
|
|
if((framedrop>0 || (framedrop && is->audio_st)) && time > is->frame_timer + duration){
|
|
if(is->pictq_size > 1){
|
|
is->frame_drops_late++;
|
|
pictq_next_picture(is);
|
|
goto retry;
|
|
}
|
|
}
|
|
|
|
if(is->subtitle_st) {
|
|
if (is->subtitle_stream_changed) {
|
|
SDL_LockMutex(is->subpq_mutex);
|
|
|
|
while (is->subpq_size) {
|
|
free_subpicture(&is->subpq[is->subpq_rindex]);
|
|
|
|
/* update queue size and signal for next picture */
|
|
if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
|
|
is->subpq_rindex = 0;
|
|
|
|
is->subpq_size--;
|
|
}
|
|
is->subtitle_stream_changed = 0;
|
|
|
|
SDL_CondSignal(is->subpq_cond);
|
|
SDL_UnlockMutex(is->subpq_mutex);
|
|
} else {
|
|
if (is->subpq_size > 0) {
|
|
sp = &is->subpq[is->subpq_rindex];
|
|
|
|
if (is->subpq_size > 1)
|
|
sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
|
|
else
|
|
sp2 = NULL;
|
|
|
|
if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
|
|
|| (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
|
|
{
|
|
free_subpicture(sp);
|
|
|
|
/* update queue size and signal for next picture */
|
|
if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
|
|
is->subpq_rindex = 0;
|
|
|
|
SDL_LockMutex(is->subpq_mutex);
|
|
is->subpq_size--;
|
|
SDL_CondSignal(is->subpq_cond);
|
|
SDL_UnlockMutex(is->subpq_mutex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* display picture */
|
|
if (!display_disable)
|
|
video_display(is);
|
|
|
|
pictq_next_picture(is);
|
|
}
|
|
} else if (is->audio_st) {
|
|
/* draw the next audio frame */
|
|
|
|
/* if only audio stream, then display the audio bars (better
|
|
than nothing, just to test the implementation */
|
|
|
|
/* display picture */
|
|
if (!display_disable)
|
|
video_display(is);
|
|
}
|
|
if (show_status) {
|
|
static int64_t last_time;
|
|
int64_t cur_time;
|
|
int aqsize, vqsize, sqsize;
|
|
double av_diff;
|
|
|
|
cur_time = av_gettime();
|
|
if (!last_time || (cur_time - last_time) >= 30000) {
|
|
aqsize = 0;
|
|
vqsize = 0;
|
|
sqsize = 0;
|
|
if (is->audio_st)
|
|
aqsize = is->audioq.size;
|
|
if (is->video_st)
|
|
vqsize = is->videoq.size;
|
|
if (is->subtitle_st)
|
|
sqsize = is->subtitleq.size;
|
|
av_diff = 0;
|
|
if (is->audio_st && is->video_st)
|
|
av_diff = get_audio_clock(is) - get_video_clock(is);
|
|
printf("%7.2f A-V:%7.3f fd=%4d aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64" \r",
|
|
get_master_clock(is),
|
|
av_diff,
|
|
is->frame_drops_early + is->frame_drops_late,
|
|
aqsize / 1024,
|
|
vqsize / 1024,
|
|
sqsize,
|
|
is->video_st ? is->video_st->codec->pts_correction_num_faulty_dts : 0,
|
|
is->video_st ? is->video_st->codec->pts_correction_num_faulty_pts : 0);
|
|
fflush(stdout);
|
|
last_time = cur_time;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* allocate a picture (needs to do that in main thread to avoid
|
|
potential locking problems */
|
|
static void alloc_picture(void *opaque)
|
|
{
|
|
VideoState *is = opaque;
|
|
VideoPicture *vp;
|
|
|
|
vp = &is->pictq[is->pictq_windex];
|
|
|
|
if (vp->bmp)
|
|
SDL_FreeYUVOverlay(vp->bmp);
|
|
|
|
#if CONFIG_AVFILTER
|
|
if (vp->picref)
|
|
avfilter_unref_buffer(vp->picref);
|
|
vp->picref = NULL;
|
|
|
|
vp->width = is->out_video_filter->inputs[0]->w;
|
|
vp->height = is->out_video_filter->inputs[0]->h;
|
|
vp->pix_fmt = is->out_video_filter->inputs[0]->format;
|
|
#else
|
|
vp->width = is->video_st->codec->width;
|
|
vp->height = is->video_st->codec->height;
|
|
vp->pix_fmt = is->video_st->codec->pix_fmt;
|
|
#endif
|
|
|
|
vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
|
|
SDL_YV12_OVERLAY,
|
|
screen);
|
|
if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
|
|
/* SDL allocates a buffer smaller than requested if the video
|
|
* overlay hardware is unable to support the requested size. */
|
|
fprintf(stderr, "Error: the video system does not support an image\n"
|
|
"size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
|
|
"to reduce the image size.\n", vp->width, vp->height );
|
|
do_exit(is);
|
|
}
|
|
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
vp->allocated = 1;
|
|
SDL_CondSignal(is->pictq_cond);
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
}
|
|
|
|
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
|
|
{
|
|
VideoPicture *vp;
|
|
double frame_delay, pts = pts1;
|
|
|
|
/* compute the exact PTS for the picture if it is omitted in the stream
|
|
* pts1 is the dts of the pkt / pts of the frame */
|
|
if (pts != 0) {
|
|
/* update video clock with pts, if present */
|
|
is->video_clock = pts;
|
|
} else {
|
|
pts = is->video_clock;
|
|
}
|
|
/* update video clock for next frame */
|
|
frame_delay = av_q2d(is->video_st->codec->time_base);
|
|
/* for MPEG2, the frame can be repeated, so we update the
|
|
clock accordingly */
|
|
frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
|
|
is->video_clock += frame_delay;
|
|
|
|
#if defined(DEBUG_SYNC) && 0
|
|
printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
|
|
av_get_picture_type_char(src_frame->pict_type), pts, pts1);
|
|
#endif
|
|
|
|
/* wait until we have space to put a new picture */
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
|
|
while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
|
|
!is->videoq.abort_request) {
|
|
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
|
|
}
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
|
|
if (is->videoq.abort_request)
|
|
return -1;
|
|
|
|
vp = &is->pictq[is->pictq_windex];
|
|
|
|
vp->duration = frame_delay;
|
|
|
|
/* alloc or resize hardware picture buffer */
|
|
if (!vp->bmp || vp->reallocate ||
|
|
#if CONFIG_AVFILTER
|
|
vp->width != is->out_video_filter->inputs[0]->w ||
|
|
vp->height != is->out_video_filter->inputs[0]->h) {
|
|
#else
|
|
vp->width != is->video_st->codec->width ||
|
|
vp->height != is->video_st->codec->height) {
|
|
#endif
|
|
SDL_Event event;
|
|
|
|
vp->allocated = 0;
|
|
vp->reallocate = 0;
|
|
|
|
/* the allocation must be done in the main thread to avoid
|
|
locking problems */
|
|
event.type = FF_ALLOC_EVENT;
|
|
event.user.data1 = is;
|
|
SDL_PushEvent(&event);
|
|
|
|
/* wait until the picture is allocated */
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
while (!vp->allocated && !is->videoq.abort_request) {
|
|
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
|
|
}
|
|
/* if the queue is aborted, we have to pop the pending ALLOC event or wait for the allocation to complete */
|
|
if (is->videoq.abort_request && SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_EVENTMASK(FF_ALLOC_EVENT)) != 1) {
|
|
while (!vp->allocated) {
|
|
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
|
|
}
|
|
}
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
|
|
if (is->videoq.abort_request)
|
|
return -1;
|
|
}
|
|
|
|
/* if the frame is not skipped, then display it */
|
|
if (vp->bmp) {
|
|
AVPicture pict;
|
|
#if CONFIG_AVFILTER
|
|
if(vp->picref)
|
|
avfilter_unref_buffer(vp->picref);
|
|
vp->picref = src_frame->opaque;
|
|
#endif
|
|
|
|
/* get a pointer on the bitmap */
|
|
SDL_LockYUVOverlay (vp->bmp);
|
|
|
|
memset(&pict,0,sizeof(AVPicture));
|
|
pict.data[0] = vp->bmp->pixels[0];
|
|
pict.data[1] = vp->bmp->pixels[2];
|
|
pict.data[2] = vp->bmp->pixels[1];
|
|
|
|
pict.linesize[0] = vp->bmp->pitches[0];
|
|
pict.linesize[1] = vp->bmp->pitches[2];
|
|
pict.linesize[2] = vp->bmp->pitches[1];
|
|
|
|
#if CONFIG_AVFILTER
|
|
//FIXME use direct rendering
|
|
av_picture_copy(&pict, (AVPicture *)src_frame,
|
|
vp->pix_fmt, vp->width, vp->height);
|
|
#else
|
|
sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
|
|
is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
|
|
vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
|
|
PIX_FMT_YUV420P, sws_flags, NULL, NULL, NULL);
|
|
if (is->img_convert_ctx == NULL) {
|
|
fprintf(stderr, "Cannot initialize the conversion context\n");
|
|
exit(1);
|
|
}
|
|
sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
|
|
0, vp->height, pict.data, pict.linesize);
|
|
#endif
|
|
/* update the bitmap content */
|
|
SDL_UnlockYUVOverlay(vp->bmp);
|
|
|
|
vp->pts = pts;
|
|
vp->pos = pos;
|
|
vp->skip = 0;
|
|
|
|
/* now we can update the picture count */
|
|
if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
|
|
is->pictq_windex = 0;
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
is->pictq_size++;
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
|
|
{
|
|
int got_picture, i;
|
|
|
|
if (packet_queue_get(&is->videoq, pkt, 1) < 0)
|
|
return -1;
|
|
|
|
if (pkt->data == flush_pkt.data) {
|
|
avcodec_flush_buffers(is->video_st->codec);
|
|
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
//Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
|
|
for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
|
|
is->pictq[i].skip = 1;
|
|
}
|
|
while (is->pictq_size && !is->videoq.abort_request) {
|
|
SDL_CondWait(is->pictq_cond, is->pictq_mutex);
|
|
}
|
|
is->video_current_pos = -1;
|
|
is->frame_last_pts = AV_NOPTS_VALUE;
|
|
is->frame_last_duration = 0;
|
|
is->frame_timer = (double)av_gettime() / 1000000.0;
|
|
is->frame_last_dropped_pts = AV_NOPTS_VALUE;
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt);
|
|
|
|
if (got_picture) {
|
|
int ret = 1;
|
|
|
|
if (decoder_reorder_pts == -1) {
|
|
*pts = *(int64_t*)av_opt_ptr(avcodec_get_frame_class(), frame, "best_effort_timestamp");
|
|
} else if (decoder_reorder_pts) {
|
|
*pts = frame->pkt_pts;
|
|
} else {
|
|
*pts = frame->pkt_dts;
|
|
}
|
|
|
|
if (*pts == AV_NOPTS_VALUE) {
|
|
*pts = 0;
|
|
}
|
|
|
|
if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) || is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK) &&
|
|
(framedrop>0 || (framedrop && is->audio_st))) {
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
if (is->frame_last_pts != AV_NOPTS_VALUE && *pts) {
|
|
double clockdiff = get_video_clock(is) - get_master_clock(is);
|
|
double dpts = av_q2d(is->video_st->time_base) * *pts;
|
|
double ptsdiff = dpts - is->frame_last_pts;
|
|
if (fabs(clockdiff) < AV_NOSYNC_THRESHOLD &&
|
|
ptsdiff > 0 && ptsdiff < AV_NOSYNC_THRESHOLD &&
|
|
clockdiff + ptsdiff - is->frame_last_filter_delay < 0) {
|
|
is->frame_last_dropped_pos = pkt->pos;
|
|
is->frame_last_dropped_pts = dpts;
|
|
is->frame_drops_early++;
|
|
ret = 0;
|
|
}
|
|
}
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
}
|
|
|
|
if (ret)
|
|
is->frame_last_returned_time = av_gettime() / 1000000.0;
|
|
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#if CONFIG_AVFILTER
|
|
typedef struct {
|
|
VideoState *is;
|
|
AVFrame *frame;
|
|
int use_dr1;
|
|
} FilterPriv;
|
|
|
|
static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
|
|
{
|
|
AVFilterContext *ctx = codec->opaque;
|
|
AVFilterBufferRef *ref;
|
|
int perms = AV_PERM_WRITE;
|
|
int i, w, h, stride[4];
|
|
unsigned edge;
|
|
int pixel_size;
|
|
|
|
av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
|
|
|
|
if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
|
|
perms |= AV_PERM_NEG_LINESIZES;
|
|
|
|
if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
|
|
if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
|
|
if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
|
|
if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
|
|
}
|
|
if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
|
|
|
|
w = codec->width;
|
|
h = codec->height;
|
|
|
|
if(av_image_check_size(w, h, 0, codec))
|
|
return -1;
|
|
|
|
avcodec_align_dimensions2(codec, &w, &h, stride);
|
|
edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
|
|
w += edge << 1;
|
|
h += edge << 1;
|
|
if (codec->pix_fmt != ctx->outputs[0]->format) {
|
|
av_log(codec, AV_LOG_ERROR, "Pixel format mismatches %d %d\n", codec->pix_fmt, ctx->outputs[0]->format);
|
|
return -1;
|
|
}
|
|
if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
|
|
return -1;
|
|
|
|
pixel_size = av_pix_fmt_descriptors[ref->format].comp[0].step_minus1+1;
|
|
ref->video->w = codec->width;
|
|
ref->video->h = codec->height;
|
|
for(i = 0; i < 4; i ++) {
|
|
unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
|
|
unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
|
|
|
|
if (ref->data[i]) {
|
|
ref->data[i] += ((edge * pixel_size) >> hshift) + ((edge * ref->linesize[i]) >> vshift);
|
|
}
|
|
pic->data[i] = ref->data[i];
|
|
pic->linesize[i] = ref->linesize[i];
|
|
}
|
|
pic->opaque = ref;
|
|
pic->type = FF_BUFFER_TYPE_USER;
|
|
pic->reordered_opaque = codec->reordered_opaque;
|
|
if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
|
|
else pic->pkt_pts = AV_NOPTS_VALUE;
|
|
return 0;
|
|
}
|
|
|
|
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
|
|
{
|
|
memset(pic->data, 0, sizeof(pic->data));
|
|
avfilter_unref_buffer(pic->opaque);
|
|
}
|
|
|
|
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
|
|
{
|
|
AVFilterBufferRef *ref = pic->opaque;
|
|
|
|
if (pic->data[0] == NULL) {
|
|
pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
|
|
return codec->get_buffer(codec, pic);
|
|
}
|
|
|
|
if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
|
|
(codec->pix_fmt != ref->format)) {
|
|
av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
|
|
return -1;
|
|
}
|
|
|
|
pic->reordered_opaque = codec->reordered_opaque;
|
|
if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
|
|
else pic->pkt_pts = AV_NOPTS_VALUE;
|
|
return 0;
|
|
}
|
|
|
|
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
|
|
{
|
|
FilterPriv *priv = ctx->priv;
|
|
AVCodecContext *codec;
|
|
if(!opaque) return -1;
|
|
|
|
priv->is = opaque;
|
|
codec = priv->is->video_st->codec;
|
|
codec->opaque = ctx;
|
|
if((codec->codec->capabilities & CODEC_CAP_DR1)
|
|
) {
|
|
av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
|
|
priv->use_dr1 = 1;
|
|
codec->get_buffer = input_get_buffer;
|
|
codec->release_buffer = input_release_buffer;
|
|
codec->reget_buffer = input_reget_buffer;
|
|
codec->thread_safe_callbacks = 1;
|
|
}
|
|
|
|
priv->frame = avcodec_alloc_frame();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void input_uninit(AVFilterContext *ctx)
|
|
{
|
|
FilterPriv *priv = ctx->priv;
|
|
av_free(priv->frame);
|
|
}
|
|
|
|
static int input_request_frame(AVFilterLink *link)
|
|
{
|
|
FilterPriv *priv = link->src->priv;
|
|
AVFilterBufferRef *picref;
|
|
int64_t pts = 0;
|
|
AVPacket pkt;
|
|
int ret;
|
|
|
|
while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
|
|
av_free_packet(&pkt);
|
|
if (ret < 0)
|
|
return -1;
|
|
|
|
if(priv->use_dr1 && priv->frame->opaque) {
|
|
picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
|
|
} else {
|
|
picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
|
|
av_image_copy(picref->data, picref->linesize,
|
|
priv->frame->data, priv->frame->linesize,
|
|
picref->format, link->w, link->h);
|
|
}
|
|
av_free_packet(&pkt);
|
|
|
|
avfilter_copy_frame_props(picref, priv->frame);
|
|
picref->pts = pts;
|
|
|
|
avfilter_start_frame(link, picref);
|
|
avfilter_draw_slice(link, 0, link->h, 1);
|
|
avfilter_end_frame(link);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int input_query_formats(AVFilterContext *ctx)
|
|
{
|
|
FilterPriv *priv = ctx->priv;
|
|
enum PixelFormat pix_fmts[] = {
|
|
priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
|
|
};
|
|
|
|
avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
|
|
return 0;
|
|
}
|
|
|
|
static int input_config_props(AVFilterLink *link)
|
|
{
|
|
FilterPriv *priv = link->src->priv;
|
|
AVStream *s = priv->is->video_st;
|
|
|
|
link->w = s->codec->width;
|
|
link->h = s->codec->height;
|
|
link->sample_aspect_ratio = s->sample_aspect_ratio.num ?
|
|
s->sample_aspect_ratio : s->codec->sample_aspect_ratio;
|
|
link->time_base = s->time_base;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static AVFilter input_filter =
|
|
{
|
|
.name = "ffplay_input",
|
|
|
|
.priv_size = sizeof(FilterPriv),
|
|
|
|
.init = input_init,
|
|
.uninit = input_uninit,
|
|
|
|
.query_formats = input_query_formats,
|
|
|
|
.inputs = (AVFilterPad[]) {{ .name = NULL }},
|
|
.outputs = (AVFilterPad[]) {{ .name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.request_frame = input_request_frame,
|
|
.config_props = input_config_props, },
|
|
{ .name = NULL }},
|
|
};
|
|
|
|
static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
|
|
{
|
|
char sws_flags_str[128];
|
|
int ret;
|
|
enum PixelFormat pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
|
|
AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
|
|
AVFilterContext *filt_src = NULL, *filt_out = NULL;
|
|
snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
|
|
graph->scale_sws_opts = av_strdup(sws_flags_str);
|
|
|
|
if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
|
|
NULL, is, graph)) < 0)
|
|
return ret;
|
|
#if FF_API_OLD_VSINK_API
|
|
ret = avfilter_graph_create_filter(&filt_out, avfilter_get_by_name("buffersink"), "out",
|
|
NULL, pix_fmts, graph);
|
|
#else
|
|
buffersink_params->pixel_fmts = pix_fmts;
|
|
ret = avfilter_graph_create_filter(&filt_out, avfilter_get_by_name("buffersink"), "out",
|
|
NULL, buffersink_params, graph);
|
|
#endif
|
|
av_freep(&buffersink_params);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if(vfilters) {
|
|
AVFilterInOut *outputs = avfilter_inout_alloc();
|
|
AVFilterInOut *inputs = avfilter_inout_alloc();
|
|
|
|
outputs->name = av_strdup("in");
|
|
outputs->filter_ctx = filt_src;
|
|
outputs->pad_idx = 0;
|
|
outputs->next = NULL;
|
|
|
|
inputs->name = av_strdup("out");
|
|
inputs->filter_ctx = filt_out;
|
|
inputs->pad_idx = 0;
|
|
inputs->next = NULL;
|
|
|
|
if ((ret = avfilter_graph_parse(graph, vfilters, &inputs, &outputs, NULL)) < 0)
|
|
return ret;
|
|
} else {
|
|
if ((ret = avfilter_link(filt_src, 0, filt_out, 0)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
if ((ret = avfilter_graph_config(graph, NULL)) < 0)
|
|
return ret;
|
|
|
|
is->out_video_filter = filt_out;
|
|
|
|
return ret;
|
|
}
|
|
|
|
#endif /* CONFIG_AVFILTER */
|
|
|
|
static int video_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
AVFrame *frame= avcodec_alloc_frame();
|
|
int64_t pts_int = AV_NOPTS_VALUE, pos = -1;
|
|
double pts;
|
|
int ret;
|
|
|
|
#if CONFIG_AVFILTER
|
|
AVFilterGraph *graph = avfilter_graph_alloc();
|
|
AVFilterContext *filt_out = NULL;
|
|
int last_w = is->video_st->codec->width;
|
|
int last_h = is->video_st->codec->height;
|
|
|
|
if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
|
|
goto the_end;
|
|
filt_out = is->out_video_filter;
|
|
#endif
|
|
|
|
for(;;) {
|
|
#if !CONFIG_AVFILTER
|
|
AVPacket pkt;
|
|
#else
|
|
AVFilterBufferRef *picref;
|
|
AVRational tb = filt_out->inputs[0]->time_base;
|
|
#endif
|
|
while (is->paused && !is->videoq.abort_request)
|
|
SDL_Delay(10);
|
|
#if CONFIG_AVFILTER
|
|
if ( last_w != is->video_st->codec->width
|
|
|| last_h != is->video_st->codec->height) {
|
|
av_log(NULL, AV_LOG_INFO, "Frame changed from size:%dx%d to size:%dx%d\n",
|
|
last_w, last_h, is->video_st->codec->width, is->video_st->codec->height);
|
|
avfilter_graph_free(&graph);
|
|
graph = avfilter_graph_alloc();
|
|
if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
|
|
goto the_end;
|
|
filt_out = is->out_video_filter;
|
|
last_w = is->video_st->codec->width;
|
|
last_h = is->video_st->codec->height;
|
|
}
|
|
ret = av_buffersink_get_buffer_ref(filt_out, &picref, 0);
|
|
if (picref) {
|
|
avfilter_fill_frame_from_video_buffer_ref(frame, picref);
|
|
pts_int = picref->pts;
|
|
pos = picref->pos;
|
|
frame->opaque = picref;
|
|
}
|
|
|
|
if (av_cmp_q(tb, is->video_st->time_base)) {
|
|
av_unused int64_t pts1 = pts_int;
|
|
pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
|
|
av_dlog(NULL, "video_thread(): "
|
|
"tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
|
|
tb.num, tb.den, pts1,
|
|
is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
|
|
}
|
|
#else
|
|
ret = get_video_frame(is, frame, &pts_int, &pkt);
|
|
pos = pkt.pos;
|
|
av_free_packet(&pkt);
|
|
#endif
|
|
|
|
if (ret < 0) goto the_end;
|
|
|
|
is->frame_last_filter_delay = av_gettime() / 1000000.0 - is->frame_last_returned_time;
|
|
if (fabs(is->frame_last_filter_delay) > AV_NOSYNC_THRESHOLD / 10.0)
|
|
is->frame_last_filter_delay = 0;
|
|
|
|
#if CONFIG_AVFILTER
|
|
if (!picref)
|
|
continue;
|
|
#endif
|
|
|
|
pts = pts_int*av_q2d(is->video_st->time_base);
|
|
|
|
ret = queue_picture(is, frame, pts, pos);
|
|
|
|
if (ret < 0)
|
|
goto the_end;
|
|
|
|
if (is->step)
|
|
stream_toggle_pause(is);
|
|
}
|
|
the_end:
|
|
#if CONFIG_AVFILTER
|
|
avfilter_graph_free(&graph);
|
|
#endif
|
|
av_free(frame);
|
|
return 0;
|
|
}
|
|
|
|
static int subtitle_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
SubPicture *sp;
|
|
AVPacket pkt1, *pkt = &pkt1;
|
|
int got_subtitle;
|
|
double pts;
|
|
int i, j;
|
|
int r, g, b, y, u, v, a;
|
|
|
|
for(;;) {
|
|
while (is->paused && !is->subtitleq.abort_request) {
|
|
SDL_Delay(10);
|
|
}
|
|
if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
|
|
break;
|
|
|
|
if(pkt->data == flush_pkt.data){
|
|
avcodec_flush_buffers(is->subtitle_st->codec);
|
|
continue;
|
|
}
|
|
SDL_LockMutex(is->subpq_mutex);
|
|
while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
|
|
!is->subtitleq.abort_request) {
|
|
SDL_CondWait(is->subpq_cond, is->subpq_mutex);
|
|
}
|
|
SDL_UnlockMutex(is->subpq_mutex);
|
|
|
|
if (is->subtitleq.abort_request)
|
|
return 0;
|
|
|
|
sp = &is->subpq[is->subpq_windex];
|
|
|
|
/* NOTE: ipts is the PTS of the _first_ picture beginning in
|
|
this packet, if any */
|
|
pts = 0;
|
|
if (pkt->pts != AV_NOPTS_VALUE)
|
|
pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
|
|
|
|
avcodec_decode_subtitle2(is->subtitle_st->codec, &sp->sub,
|
|
&got_subtitle, pkt);
|
|
|
|
if (got_subtitle && sp->sub.format == 0) {
|
|
sp->pts = pts;
|
|
|
|
for (i = 0; i < sp->sub.num_rects; i++)
|
|
{
|
|
for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
|
|
{
|
|
RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
|
|
y = RGB_TO_Y_CCIR(r, g, b);
|
|
u = RGB_TO_U_CCIR(r, g, b, 0);
|
|
v = RGB_TO_V_CCIR(r, g, b, 0);
|
|
YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
|
|
}
|
|
}
|
|
|
|
/* now we can update the picture count */
|
|
if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
|
|
is->subpq_windex = 0;
|
|
SDL_LockMutex(is->subpq_mutex);
|
|
is->subpq_size++;
|
|
SDL_UnlockMutex(is->subpq_mutex);
|
|
}
|
|
av_free_packet(pkt);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* copy samples for viewing in editor window */
|
|
static void update_sample_display(VideoState *is, short *samples, int samples_size)
|
|
{
|
|
int size, len;
|
|
|
|
size = samples_size / sizeof(short);
|
|
while (size > 0) {
|
|
len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
|
|
if (len > size)
|
|
len = size;
|
|
memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
|
|
samples += len;
|
|
is->sample_array_index += len;
|
|
if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
|
|
is->sample_array_index = 0;
|
|
size -= len;
|
|
}
|
|
}
|
|
|
|
/* return the new audio buffer size (samples can be added or deleted
|
|
to get better sync if video or external master clock) */
|
|
static int synchronize_audio(VideoState *is, short *samples,
|
|
int samples_size1, double pts)
|
|
{
|
|
int n, samples_size;
|
|
double ref_clock;
|
|
|
|
n = av_get_bytes_per_sample(is->audio_tgt_fmt) * is->audio_tgt_channels;
|
|
samples_size = samples_size1;
|
|
|
|
/* if not master, then we try to remove or add samples to correct the clock */
|
|
if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
|
|
is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
|
|
double diff, avg_diff;
|
|
int wanted_size, min_size, max_size, nb_samples;
|
|
|
|
ref_clock = get_master_clock(is);
|
|
diff = get_audio_clock(is) - ref_clock;
|
|
|
|
if (diff < AV_NOSYNC_THRESHOLD) {
|
|
is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
|
|
if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
|
|
/* not enough measures to have a correct estimate */
|
|
is->audio_diff_avg_count++;
|
|
} else {
|
|
/* estimate the A-V difference */
|
|
avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
|
|
|
|
if (fabs(avg_diff) >= is->audio_diff_threshold) {
|
|
wanted_size = samples_size + ((int)(diff * is->audio_tgt_freq) * n);
|
|
nb_samples = samples_size / n;
|
|
|
|
min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
|
|
max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
|
|
if (wanted_size < min_size)
|
|
wanted_size = min_size;
|
|
else if (wanted_size > FFMIN3(max_size, samples_size, sizeof(is->audio_buf2)))
|
|
wanted_size = FFMIN3(max_size, samples_size, sizeof(is->audio_buf2));
|
|
|
|
/* add or remove samples to correction the synchro */
|
|
if (wanted_size < samples_size) {
|
|
/* remove samples */
|
|
samples_size = wanted_size;
|
|
} else if (wanted_size > samples_size) {
|
|
uint8_t *samples_end, *q;
|
|
int nb;
|
|
|
|
/* add samples */
|
|
nb = (samples_size - wanted_size);
|
|
samples_end = (uint8_t *)samples + samples_size - n;
|
|
q = samples_end + n;
|
|
while (nb > 0) {
|
|
memcpy(q, samples_end, n);
|
|
q += n;
|
|
nb -= n;
|
|
}
|
|
samples_size = wanted_size;
|
|
}
|
|
}
|
|
av_dlog(NULL, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
|
|
diff, avg_diff, samples_size - samples_size1,
|
|
is->audio_clock, is->video_clock, is->audio_diff_threshold);
|
|
}
|
|
} else {
|
|
/* too big difference : may be initial PTS errors, so
|
|
reset A-V filter */
|
|
is->audio_diff_avg_count = 0;
|
|
is->audio_diff_cum = 0;
|
|
}
|
|
}
|
|
|
|
return samples_size;
|
|
}
|
|
|
|
/* decode one audio frame and returns its uncompressed size */
|
|
static int audio_decode_frame(VideoState *is, double *pts_ptr)
|
|
{
|
|
AVPacket *pkt_temp = &is->audio_pkt_temp;
|
|
AVPacket *pkt = &is->audio_pkt;
|
|
AVCodecContext *dec= is->audio_st->codec;
|
|
int len1, len2, data_size, resampled_data_size;
|
|
int64_t dec_channel_layout;
|
|
int got_frame;
|
|
double pts;
|
|
int new_packet = 0;
|
|
int flush_complete = 0;
|
|
|
|
for(;;) {
|
|
/* NOTE: the audio packet can contain several frames */
|
|
while (pkt_temp->size > 0 || (!pkt_temp->data && new_packet)) {
|
|
if (!is->frame) {
|
|
if (!(is->frame = avcodec_alloc_frame()))
|
|
return AVERROR(ENOMEM);
|
|
} else
|
|
avcodec_get_frame_defaults(is->frame);
|
|
|
|
if (flush_complete)
|
|
break;
|
|
new_packet = 0;
|
|
len1 = avcodec_decode_audio4(dec, is->frame, &got_frame, pkt_temp);
|
|
if (len1 < 0) {
|
|
/* if error, we skip the frame */
|
|
pkt_temp->size = 0;
|
|
break;
|
|
}
|
|
|
|
pkt_temp->data += len1;
|
|
pkt_temp->size -= len1;
|
|
|
|
if (!got_frame) {
|
|
/* stop sending empty packets if the decoder is finished */
|
|
if (!pkt_temp->data && dec->codec->capabilities & CODEC_CAP_DELAY)
|
|
flush_complete = 1;
|
|
continue;
|
|
}
|
|
data_size = av_samples_get_buffer_size(NULL, dec->channels,
|
|
is->frame->nb_samples,
|
|
dec->sample_fmt, 1);
|
|
|
|
dec_channel_layout = (dec->channel_layout && dec->channels == av_get_channel_layout_nb_channels(dec->channel_layout)) ? dec->channel_layout : av_get_default_channel_layout(dec->channels);
|
|
|
|
if (dec->sample_fmt != is->audio_src_fmt || dec_channel_layout != is->audio_src_channel_layout || dec->sample_rate != is->audio_src_freq) {
|
|
if (is->swr_ctx)
|
|
swr_free(&is->swr_ctx);
|
|
is->swr_ctx = swr_alloc_set_opts(NULL,
|
|
is->audio_tgt_channel_layout, is->audio_tgt_fmt, is->audio_tgt_freq,
|
|
dec_channel_layout, dec->sample_fmt, dec->sample_rate,
|
|
0, NULL);
|
|
if (!is->swr_ctx || swr_init(is->swr_ctx) < 0) {
|
|
fprintf(stderr, "Cannot create sample rate converter for conversion of %d Hz %s %d channels to %d Hz %s %d channels!\n",
|
|
dec->sample_rate,
|
|
av_get_sample_fmt_name(dec->sample_fmt),
|
|
dec->channels,
|
|
is->audio_tgt_freq,
|
|
av_get_sample_fmt_name(is->audio_tgt_fmt),
|
|
is->audio_tgt_channels);
|
|
break;
|
|
}
|
|
is->audio_src_channel_layout = dec_channel_layout;
|
|
is->audio_src_channels = dec->channels;
|
|
is->audio_src_freq = dec->sample_rate;
|
|
is->audio_src_fmt = dec->sample_fmt;
|
|
}
|
|
|
|
resampled_data_size = data_size;
|
|
if (is->swr_ctx) {
|
|
const uint8_t *in[] = { is->frame->data[0] };
|
|
uint8_t *out[] = {is->audio_buf2};
|
|
len2 = swr_convert(is->swr_ctx, out, sizeof(is->audio_buf2) / is->audio_tgt_channels / av_get_bytes_per_sample(is->audio_tgt_fmt),
|
|
in, data_size / dec->channels / av_get_bytes_per_sample(dec->sample_fmt));
|
|
if (len2 < 0) {
|
|
fprintf(stderr, "audio_resample() failed\n");
|
|
break;
|
|
}
|
|
if (len2 == sizeof(is->audio_buf2) / is->audio_tgt_channels / av_get_bytes_per_sample(is->audio_tgt_fmt)) {
|
|
fprintf(stderr, "warning: audio buffer is probably too small\n");
|
|
swr_init(is->swr_ctx);
|
|
}
|
|
is->audio_buf = is->audio_buf2;
|
|
resampled_data_size = len2 * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
|
|
} else {
|
|
is->audio_buf = is->frame->data[0];
|
|
}
|
|
|
|
/* if no pts, then compute it */
|
|
pts = is->audio_clock;
|
|
*pts_ptr = pts;
|
|
is->audio_clock += (double)data_size / (dec->channels * dec->sample_rate * av_get_bytes_per_sample(dec->sample_fmt));
|
|
#ifdef DEBUG
|
|
{
|
|
static double last_clock;
|
|
printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
|
|
is->audio_clock - last_clock,
|
|
is->audio_clock, pts);
|
|
last_clock = is->audio_clock;
|
|
}
|
|
#endif
|
|
return resampled_data_size;
|
|
}
|
|
|
|
/* free the current packet */
|
|
if (pkt->data)
|
|
av_free_packet(pkt);
|
|
memset(pkt_temp, 0, sizeof(*pkt_temp));
|
|
|
|
if (is->paused || is->audioq.abort_request) {
|
|
return -1;
|
|
}
|
|
|
|
/* read next packet */
|
|
if ((new_packet = packet_queue_get(&is->audioq, pkt, 1)) < 0)
|
|
return -1;
|
|
|
|
if (pkt->data == flush_pkt.data)
|
|
avcodec_flush_buffers(dec);
|
|
|
|
*pkt_temp = *pkt;
|
|
|
|
/* if update the audio clock with the pts */
|
|
if (pkt->pts != AV_NOPTS_VALUE) {
|
|
is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* prepare a new audio buffer */
|
|
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
|
|
{
|
|
VideoState *is = opaque;
|
|
int audio_size, len1;
|
|
int bytes_per_sec;
|
|
double pts;
|
|
|
|
audio_callback_time = av_gettime();
|
|
|
|
while (len > 0) {
|
|
if (is->audio_buf_index >= is->audio_buf_size) {
|
|
audio_size = audio_decode_frame(is, &pts);
|
|
if (audio_size < 0) {
|
|
/* if error, just output silence */
|
|
is->audio_buf = is->silence_buf;
|
|
is->audio_buf_size = sizeof(is->silence_buf);
|
|
} else {
|
|
if (is->show_mode != SHOW_MODE_VIDEO)
|
|
update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
|
|
audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
|
|
pts);
|
|
is->audio_buf_size = audio_size;
|
|
}
|
|
is->audio_buf_index = 0;
|
|
}
|
|
len1 = is->audio_buf_size - is->audio_buf_index;
|
|
if (len1 > len)
|
|
len1 = len;
|
|
memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
|
|
len -= len1;
|
|
stream += len1;
|
|
is->audio_buf_index += len1;
|
|
}
|
|
bytes_per_sec = is->audio_tgt_freq * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
|
|
is->audio_write_buf_size = is->audio_buf_size - is->audio_buf_index;
|
|
/* Let's assume the audio driver that is used by SDL has two periods. */
|
|
is->audio_current_pts = is->audio_clock - (double)(2 * is->audio_hw_buf_size + is->audio_write_buf_size) / bytes_per_sec;
|
|
is->audio_current_pts_drift = is->audio_current_pts - audio_callback_time / 1000000.0;
|
|
}
|
|
|
|
/* open a given stream. Return 0 if OK */
|
|
static int stream_component_open(VideoState *is, int stream_index)
|
|
{
|
|
AVFormatContext *ic = is->ic;
|
|
AVCodecContext *avctx;
|
|
AVCodec *codec;
|
|
SDL_AudioSpec wanted_spec, spec;
|
|
AVDictionary *opts;
|
|
AVDictionaryEntry *t = NULL;
|
|
int64_t wanted_channel_layout = 0;
|
|
|
|
if (stream_index < 0 || stream_index >= ic->nb_streams)
|
|
return -1;
|
|
avctx = ic->streams[stream_index]->codec;
|
|
|
|
codec = avcodec_find_decoder(avctx->codec_id);
|
|
opts = filter_codec_opts(codec_opts, codec, ic, ic->streams[stream_index]);
|
|
|
|
switch(avctx->codec_type){
|
|
case AVMEDIA_TYPE_AUDIO : if(audio_codec_name ) codec= avcodec_find_decoder_by_name( audio_codec_name); break;
|
|
case AVMEDIA_TYPE_SUBTITLE: if(subtitle_codec_name) codec= avcodec_find_decoder_by_name(subtitle_codec_name); break;
|
|
case AVMEDIA_TYPE_VIDEO : if(video_codec_name ) codec= avcodec_find_decoder_by_name( video_codec_name); break;
|
|
}
|
|
if (!codec)
|
|
return -1;
|
|
|
|
avctx->workaround_bugs = workaround_bugs;
|
|
avctx->lowres = lowres;
|
|
if(avctx->lowres > codec->max_lowres){
|
|
av_log(avctx, AV_LOG_WARNING, "The maximum value for lowres supported by the decoder is %d\n",
|
|
codec->max_lowres);
|
|
avctx->lowres= codec->max_lowres;
|
|
}
|
|
if(avctx->lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
|
|
avctx->idct_algo= idct;
|
|
if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
|
|
avctx->skip_frame= skip_frame;
|
|
avctx->skip_idct= skip_idct;
|
|
avctx->skip_loop_filter= skip_loop_filter;
|
|
avctx->error_recognition= error_recognition;
|
|
avctx->error_concealment= error_concealment;
|
|
|
|
if(codec->capabilities & CODEC_CAP_DR1)
|
|
avctx->flags |= CODEC_FLAG_EMU_EDGE;
|
|
|
|
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
wanted_channel_layout = (avctx->channel_layout && avctx->channels == av_get_channel_layout_nb_channels(avctx->channels)) ? avctx->channel_layout : av_get_default_channel_layout(avctx->channels);
|
|
wanted_channel_layout &= ~AV_CH_LAYOUT_STEREO_DOWNMIX;
|
|
wanted_spec.channels = av_get_channel_layout_nb_channels(wanted_channel_layout);
|
|
wanted_spec.freq = avctx->sample_rate;
|
|
if (wanted_spec.freq <= 0 || wanted_spec.channels <= 0) {
|
|
fprintf(stderr, "Invalid sample rate or channel count!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!codec ||
|
|
avcodec_open2(avctx, codec, &opts) < 0)
|
|
return -1;
|
|
if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
|
|
av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
|
|
return AVERROR_OPTION_NOT_FOUND;
|
|
}
|
|
|
|
/* prepare audio output */
|
|
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
|
|
wanted_spec.format = AUDIO_S16SYS;
|
|
wanted_spec.silence = 0;
|
|
wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
|
|
wanted_spec.callback = sdl_audio_callback;
|
|
wanted_spec.userdata = is;
|
|
if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
|
|
fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
|
|
return -1;
|
|
}
|
|
is->audio_hw_buf_size = spec.size;
|
|
if (spec.format != AUDIO_S16SYS) {
|
|
fprintf(stderr, "SDL advised audio format %d is not supported!\n", spec.format);
|
|
return -1;
|
|
}
|
|
if (spec.channels != wanted_spec.channels) {
|
|
wanted_channel_layout = av_get_default_channel_layout(spec.channels);
|
|
if (!wanted_channel_layout) {
|
|
fprintf(stderr, "SDL advised channel count %d is not supported!\n", spec.channels);
|
|
return -1;
|
|
}
|
|
}
|
|
is->audio_src_fmt = is->audio_tgt_fmt = AV_SAMPLE_FMT_S16;
|
|
is->audio_src_freq = is->audio_tgt_freq = spec.freq;
|
|
is->audio_src_channel_layout = is->audio_tgt_channel_layout = wanted_channel_layout;
|
|
is->audio_src_channels = is->audio_tgt_channels = spec.channels;
|
|
}
|
|
|
|
ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
|
|
switch(avctx->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
is->audio_stream = stream_index;
|
|
is->audio_st = ic->streams[stream_index];
|
|
is->audio_buf_size = 0;
|
|
is->audio_buf_index = 0;
|
|
|
|
/* init averaging filter */
|
|
is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
|
|
is->audio_diff_avg_count = 0;
|
|
/* since we do not have a precise anough audio fifo fullness,
|
|
we correct audio sync only if larger than this threshold */
|
|
is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / wanted_spec.freq;
|
|
|
|
memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
|
|
packet_queue_init(&is->audioq);
|
|
SDL_PauseAudio(0);
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
is->video_stream = stream_index;
|
|
is->video_st = ic->streams[stream_index];
|
|
|
|
packet_queue_init(&is->videoq);
|
|
is->video_tid = SDL_CreateThread(video_thread, is);
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
is->subtitle_stream = stream_index;
|
|
is->subtitle_st = ic->streams[stream_index];
|
|
packet_queue_init(&is->subtitleq);
|
|
|
|
is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void stream_component_close(VideoState *is, int stream_index)
|
|
{
|
|
AVFormatContext *ic = is->ic;
|
|
AVCodecContext *avctx;
|
|
|
|
if (stream_index < 0 || stream_index >= ic->nb_streams)
|
|
return;
|
|
avctx = ic->streams[stream_index]->codec;
|
|
|
|
switch(avctx->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
packet_queue_abort(&is->audioq);
|
|
|
|
SDL_CloseAudio();
|
|
|
|
packet_queue_end(&is->audioq);
|
|
if (is->swr_ctx)
|
|
swr_free(&is->swr_ctx);
|
|
av_free_packet(&is->audio_pkt);
|
|
av_freep(&is->audio_buf1);
|
|
is->audio_buf = NULL;
|
|
av_freep(&is->frame);
|
|
|
|
if (is->rdft) {
|
|
av_rdft_end(is->rdft);
|
|
av_freep(&is->rdft_data);
|
|
is->rdft = NULL;
|
|
is->rdft_bits = 0;
|
|
}
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
packet_queue_abort(&is->videoq);
|
|
|
|
/* note: we also signal this mutex to make sure we deblock the
|
|
video thread in all cases */
|
|
SDL_LockMutex(is->pictq_mutex);
|
|
SDL_CondSignal(is->pictq_cond);
|
|
SDL_UnlockMutex(is->pictq_mutex);
|
|
|
|
SDL_WaitThread(is->video_tid, NULL);
|
|
|
|
packet_queue_end(&is->videoq);
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
packet_queue_abort(&is->subtitleq);
|
|
|
|
/* note: we also signal this mutex to make sure we deblock the
|
|
video thread in all cases */
|
|
SDL_LockMutex(is->subpq_mutex);
|
|
is->subtitle_stream_changed = 1;
|
|
|
|
SDL_CondSignal(is->subpq_cond);
|
|
SDL_UnlockMutex(is->subpq_mutex);
|
|
|
|
SDL_WaitThread(is->subtitle_tid, NULL);
|
|
|
|
packet_queue_end(&is->subtitleq);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ic->streams[stream_index]->discard = AVDISCARD_ALL;
|
|
avcodec_close(avctx);
|
|
switch(avctx->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
is->audio_st = NULL;
|
|
is->audio_stream = -1;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
is->video_st = NULL;
|
|
is->video_stream = -1;
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
is->subtitle_st = NULL;
|
|
is->subtitle_stream = -1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int decode_interrupt_cb(void *ctx)
|
|
{
|
|
VideoState *is = ctx;
|
|
return is->abort_request;
|
|
}
|
|
|
|
/* this thread gets the stream from the disk or the network */
|
|
static int read_thread(void *arg)
|
|
{
|
|
VideoState *is = arg;
|
|
AVFormatContext *ic = NULL;
|
|
int err, i, ret;
|
|
int st_index[AVMEDIA_TYPE_NB];
|
|
AVPacket pkt1, *pkt = &pkt1;
|
|
int eof=0;
|
|
int pkt_in_play_range = 0;
|
|
AVDictionaryEntry *t;
|
|
AVDictionary **opts;
|
|
int orig_nb_streams;
|
|
|
|
memset(st_index, -1, sizeof(st_index));
|
|
is->video_stream = -1;
|
|
is->audio_stream = -1;
|
|
is->subtitle_stream = -1;
|
|
|
|
ic = avformat_alloc_context();
|
|
ic->interrupt_callback.callback = decode_interrupt_cb;
|
|
ic->interrupt_callback.opaque = is;
|
|
err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
|
|
if (err < 0) {
|
|
print_error(is->filename, err);
|
|
ret = -1;
|
|
goto fail;
|
|
}
|
|
if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
|
|
av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
|
|
ret = AVERROR_OPTION_NOT_FOUND;
|
|
goto fail;
|
|
}
|
|
is->ic = ic;
|
|
|
|
if(genpts)
|
|
ic->flags |= AVFMT_FLAG_GENPTS;
|
|
|
|
opts = setup_find_stream_info_opts(ic, codec_opts);
|
|
orig_nb_streams = ic->nb_streams;
|
|
|
|
err = avformat_find_stream_info(ic, opts);
|
|
if (err < 0) {
|
|
fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
|
|
ret = -1;
|
|
goto fail;
|
|
}
|
|
for (i = 0; i < orig_nb_streams; i++)
|
|
av_dict_free(&opts[i]);
|
|
av_freep(&opts);
|
|
|
|
if(ic->pb)
|
|
ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
|
|
|
|
if(seek_by_bytes<0)
|
|
seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
|
|
|
|
/* if seeking requested, we execute it */
|
|
if (start_time != AV_NOPTS_VALUE) {
|
|
int64_t timestamp;
|
|
|
|
timestamp = start_time;
|
|
/* add the stream start time */
|
|
if (ic->start_time != AV_NOPTS_VALUE)
|
|
timestamp += ic->start_time;
|
|
ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: could not seek to position %0.3f\n",
|
|
is->filename, (double)timestamp / AV_TIME_BASE);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ic->nb_streams; i++)
|
|
ic->streams[i]->discard = AVDISCARD_ALL;
|
|
if (!video_disable)
|
|
st_index[AVMEDIA_TYPE_VIDEO] =
|
|
av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
|
|
wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
|
|
if (!audio_disable)
|
|
st_index[AVMEDIA_TYPE_AUDIO] =
|
|
av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
|
|
wanted_stream[AVMEDIA_TYPE_AUDIO],
|
|
st_index[AVMEDIA_TYPE_VIDEO],
|
|
NULL, 0);
|
|
if (!video_disable)
|
|
st_index[AVMEDIA_TYPE_SUBTITLE] =
|
|
av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
|
|
wanted_stream[AVMEDIA_TYPE_SUBTITLE],
|
|
(st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
|
|
st_index[AVMEDIA_TYPE_AUDIO] :
|
|
st_index[AVMEDIA_TYPE_VIDEO]),
|
|
NULL, 0);
|
|
if (show_status) {
|
|
av_dump_format(ic, 0, is->filename, 0);
|
|
}
|
|
|
|
is->show_mode = show_mode;
|
|
|
|
/* open the streams */
|
|
if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
|
|
stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
|
|
}
|
|
|
|
ret=-1;
|
|
if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
|
|
ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
|
|
}
|
|
is->refresh_tid = SDL_CreateThread(refresh_thread, is);
|
|
if (is->show_mode == SHOW_MODE_NONE)
|
|
is->show_mode = ret >= 0 ? SHOW_MODE_VIDEO : SHOW_MODE_RDFT;
|
|
|
|
if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
|
|
stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
|
|
}
|
|
|
|
if (is->video_stream < 0 && is->audio_stream < 0) {
|
|
fprintf(stderr, "%s: could not open codecs\n", is->filename);
|
|
ret = -1;
|
|
goto fail;
|
|
}
|
|
|
|
for(;;) {
|
|
if (is->abort_request)
|
|
break;
|
|
if (is->paused != is->last_paused) {
|
|
is->last_paused = is->paused;
|
|
if (is->paused)
|
|
is->read_pause_return= av_read_pause(ic);
|
|
else
|
|
av_read_play(ic);
|
|
}
|
|
#if CONFIG_RTSP_DEMUXER || CONFIG_MMSH_PROTOCOL
|
|
if (is->paused &&
|
|
(!strcmp(ic->iformat->name, "rtsp") ||
|
|
(ic->pb && !strncmp(input_filename, "mmsh:", 5)))) {
|
|
/* wait 10 ms to avoid trying to get another packet */
|
|
/* XXX: horrible */
|
|
SDL_Delay(10);
|
|
continue;
|
|
}
|
|
#endif
|
|
if (is->seek_req) {
|
|
int64_t seek_target= is->seek_pos;
|
|
int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
|
|
int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
|
|
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
|
|
// of the seek_pos/seek_rel variables
|
|
|
|
ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
|
|
}else{
|
|
if (is->audio_stream >= 0) {
|
|
packet_queue_flush(&is->audioq);
|
|
packet_queue_put(&is->audioq, &flush_pkt);
|
|
}
|
|
if (is->subtitle_stream >= 0) {
|
|
packet_queue_flush(&is->subtitleq);
|
|
packet_queue_put(&is->subtitleq, &flush_pkt);
|
|
}
|
|
if (is->video_stream >= 0) {
|
|
packet_queue_flush(&is->videoq);
|
|
packet_queue_put(&is->videoq, &flush_pkt);
|
|
}
|
|
}
|
|
is->seek_req = 0;
|
|
eof= 0;
|
|
}
|
|
|
|
/* if the queue are full, no need to read more */
|
|
if ( is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
|
|
|| ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream<0)
|
|
&& (is->videoq .nb_packets > MIN_FRAMES || is->video_stream<0)
|
|
&& (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
|
|
/* wait 10 ms */
|
|
SDL_Delay(10);
|
|
continue;
|
|
}
|
|
if(eof) {
|
|
if(is->video_stream >= 0){
|
|
av_init_packet(pkt);
|
|
pkt->data=NULL;
|
|
pkt->size=0;
|
|
pkt->stream_index= is->video_stream;
|
|
packet_queue_put(&is->videoq, pkt);
|
|
}
|
|
if (is->audio_stream >= 0 &&
|
|
is->audio_st->codec->codec->capabilities & CODEC_CAP_DELAY) {
|
|
av_init_packet(pkt);
|
|
pkt->data = NULL;
|
|
pkt->size = 0;
|
|
pkt->stream_index = is->audio_stream;
|
|
packet_queue_put(&is->audioq, pkt);
|
|
}
|
|
SDL_Delay(10);
|
|
if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
|
|
if(loop!=1 && (!loop || --loop)){
|
|
stream_seek(is, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
|
|
}else if(autoexit){
|
|
ret=AVERROR_EOF;
|
|
goto fail;
|
|
}
|
|
}
|
|
eof=0;
|
|
continue;
|
|
}
|
|
ret = av_read_frame(ic, pkt);
|
|
if (ret < 0) {
|
|
if (ret == AVERROR_EOF || url_feof(ic->pb))
|
|
eof=1;
|
|
if (ic->pb && ic->pb->error)
|
|
break;
|
|
SDL_Delay(100); /* wait for user event */
|
|
continue;
|
|
}
|
|
/* check if packet is in play range specified by user, then queue, otherwise discard */
|
|
pkt_in_play_range = duration == AV_NOPTS_VALUE ||
|
|
(pkt->pts - ic->streams[pkt->stream_index]->start_time) *
|
|
av_q2d(ic->streams[pkt->stream_index]->time_base) -
|
|
(double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
|
|
<= ((double)duration/1000000);
|
|
if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
|
|
packet_queue_put(&is->audioq, pkt);
|
|
} else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
|
|
packet_queue_put(&is->videoq, pkt);
|
|
} else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
|
|
packet_queue_put(&is->subtitleq, pkt);
|
|
} else {
|
|
av_free_packet(pkt);
|
|
}
|
|
}
|
|
/* wait until the end */
|
|
while (!is->abort_request) {
|
|
SDL_Delay(100);
|
|
}
|
|
|
|
ret = 0;
|
|
fail:
|
|
/* close each stream */
|
|
if (is->audio_stream >= 0)
|
|
stream_component_close(is, is->audio_stream);
|
|
if (is->video_stream >= 0)
|
|
stream_component_close(is, is->video_stream);
|
|
if (is->subtitle_stream >= 0)
|
|
stream_component_close(is, is->subtitle_stream);
|
|
if (is->ic) {
|
|
avformat_close_input(&is->ic);
|
|
}
|
|
|
|
if (ret != 0) {
|
|
SDL_Event event;
|
|
|
|
event.type = FF_QUIT_EVENT;
|
|
event.user.data1 = is;
|
|
SDL_PushEvent(&event);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
|
|
{
|
|
VideoState *is;
|
|
|
|
is = av_mallocz(sizeof(VideoState));
|
|
if (!is)
|
|
return NULL;
|
|
av_strlcpy(is->filename, filename, sizeof(is->filename));
|
|
is->iformat = iformat;
|
|
is->ytop = 0;
|
|
is->xleft = 0;
|
|
|
|
/* start video display */
|
|
is->pictq_mutex = SDL_CreateMutex();
|
|
is->pictq_cond = SDL_CreateCond();
|
|
|
|
is->subpq_mutex = SDL_CreateMutex();
|
|
is->subpq_cond = SDL_CreateCond();
|
|
|
|
is->av_sync_type = av_sync_type;
|
|
is->read_tid = SDL_CreateThread(read_thread, is);
|
|
if (!is->read_tid) {
|
|
av_free(is);
|
|
return NULL;
|
|
}
|
|
return is;
|
|
}
|
|
|
|
static void stream_cycle_channel(VideoState *is, int codec_type)
|
|
{
|
|
AVFormatContext *ic = is->ic;
|
|
int start_index, stream_index;
|
|
AVStream *st;
|
|
|
|
if (codec_type == AVMEDIA_TYPE_VIDEO)
|
|
start_index = is->video_stream;
|
|
else if (codec_type == AVMEDIA_TYPE_AUDIO)
|
|
start_index = is->audio_stream;
|
|
else
|
|
start_index = is->subtitle_stream;
|
|
if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
|
|
return;
|
|
stream_index = start_index;
|
|
for(;;) {
|
|
if (++stream_index >= is->ic->nb_streams)
|
|
{
|
|
if (codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
{
|
|
stream_index = -1;
|
|
goto the_end;
|
|
} else
|
|
stream_index = 0;
|
|
}
|
|
if (stream_index == start_index)
|
|
return;
|
|
st = ic->streams[stream_index];
|
|
if (st->codec->codec_type == codec_type) {
|
|
/* check that parameters are OK */
|
|
switch(codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
if (st->codec->sample_rate != 0 &&
|
|
st->codec->channels != 0)
|
|
goto the_end;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
goto the_end;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
the_end:
|
|
stream_component_close(is, start_index);
|
|
stream_component_open(is, stream_index);
|
|
}
|
|
|
|
|
|
static void toggle_full_screen(VideoState *is)
|
|
{
|
|
int i;
|
|
is_full_screen = !is_full_screen;
|
|
#if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
|
|
/* OS X needs to reallocate the SDL overlays */
|
|
for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
|
|
is->pictq[i].reallocate = 1;
|
|
}
|
|
#endif
|
|
video_open(is, 1);
|
|
}
|
|
|
|
static void toggle_pause(VideoState *is)
|
|
{
|
|
stream_toggle_pause(is);
|
|
is->step = 0;
|
|
}
|
|
|
|
static void step_to_next_frame(VideoState *is)
|
|
{
|
|
/* if the stream is paused unpause it, then step */
|
|
if (is->paused)
|
|
stream_toggle_pause(is);
|
|
is->step = 1;
|
|
}
|
|
|
|
static void toggle_audio_display(VideoState *is)
|
|
{
|
|
int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
|
|
is->show_mode = (is->show_mode + 1) % SHOW_MODE_NB;
|
|
fill_rectangle(screen,
|
|
is->xleft, is->ytop, is->width, is->height,
|
|
bgcolor);
|
|
SDL_UpdateRect(screen, is->xleft, is->ytop, is->width, is->height);
|
|
}
|
|
|
|
/* handle an event sent by the GUI */
|
|
static void event_loop(VideoState *cur_stream)
|
|
{
|
|
SDL_Event event;
|
|
double incr, pos, frac;
|
|
|
|
for(;;) {
|
|
double x;
|
|
SDL_WaitEvent(&event);
|
|
switch(event.type) {
|
|
case SDL_KEYDOWN:
|
|
if (exit_on_keydown) {
|
|
do_exit(cur_stream);
|
|
break;
|
|
}
|
|
switch(event.key.keysym.sym) {
|
|
case SDLK_ESCAPE:
|
|
case SDLK_q:
|
|
do_exit(cur_stream);
|
|
break;
|
|
case SDLK_f:
|
|
toggle_full_screen(cur_stream);
|
|
break;
|
|
case SDLK_p:
|
|
case SDLK_SPACE:
|
|
toggle_pause(cur_stream);
|
|
break;
|
|
case SDLK_s: //S: Step to next frame
|
|
step_to_next_frame(cur_stream);
|
|
break;
|
|
case SDLK_a:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
|
|
break;
|
|
case SDLK_v:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
|
|
break;
|
|
case SDLK_t:
|
|
stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
|
|
break;
|
|
case SDLK_w:
|
|
toggle_audio_display(cur_stream);
|
|
break;
|
|
case SDLK_PAGEUP:
|
|
incr = 600.0;
|
|
goto do_seek;
|
|
case SDLK_PAGEDOWN:
|
|
incr = -600.0;
|
|
goto do_seek;
|
|
case SDLK_LEFT:
|
|
incr = -10.0;
|
|
goto do_seek;
|
|
case SDLK_RIGHT:
|
|
incr = 10.0;
|
|
goto do_seek;
|
|
case SDLK_UP:
|
|
incr = 60.0;
|
|
goto do_seek;
|
|
case SDLK_DOWN:
|
|
incr = -60.0;
|
|
do_seek:
|
|
if (seek_by_bytes) {
|
|
if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
|
|
pos= cur_stream->video_current_pos;
|
|
}else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
|
|
pos= cur_stream->audio_pkt.pos;
|
|
}else
|
|
pos = avio_tell(cur_stream->ic->pb);
|
|
if (cur_stream->ic->bit_rate)
|
|
incr *= cur_stream->ic->bit_rate / 8.0;
|
|
else
|
|
incr *= 180000.0;
|
|
pos += incr;
|
|
stream_seek(cur_stream, pos, incr, 1);
|
|
} else {
|
|
pos = get_master_clock(cur_stream);
|
|
pos += incr;
|
|
stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case SDL_MOUSEBUTTONDOWN:
|
|
if (exit_on_mousedown) {
|
|
do_exit(cur_stream);
|
|
break;
|
|
}
|
|
case SDL_MOUSEMOTION:
|
|
if(event.type ==SDL_MOUSEBUTTONDOWN){
|
|
x= event.button.x;
|
|
}else{
|
|
if(event.motion.state != SDL_PRESSED)
|
|
break;
|
|
x= event.motion.x;
|
|
}
|
|
if(seek_by_bytes || cur_stream->ic->duration<=0){
|
|
uint64_t size= avio_size(cur_stream->ic->pb);
|
|
stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
|
|
}else{
|
|
int64_t ts;
|
|
int ns, hh, mm, ss;
|
|
int tns, thh, tmm, tss;
|
|
tns = cur_stream->ic->duration/1000000LL;
|
|
thh = tns/3600;
|
|
tmm = (tns%3600)/60;
|
|
tss = (tns%60);
|
|
frac = x/cur_stream->width;
|
|
ns = frac*tns;
|
|
hh = ns/3600;
|
|
mm = (ns%3600)/60;
|
|
ss = (ns%60);
|
|
fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
|
|
hh, mm, ss, thh, tmm, tss);
|
|
ts = frac*cur_stream->ic->duration;
|
|
if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
|
|
ts += cur_stream->ic->start_time;
|
|
stream_seek(cur_stream, ts, 0, 0);
|
|
}
|
|
break;
|
|
case SDL_VIDEORESIZE:
|
|
screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
|
|
SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
|
|
screen_width = cur_stream->width = event.resize.w;
|
|
screen_height= cur_stream->height= event.resize.h;
|
|
break;
|
|
case SDL_QUIT:
|
|
case FF_QUIT_EVENT:
|
|
do_exit(cur_stream);
|
|
break;
|
|
case FF_ALLOC_EVENT:
|
|
video_open(event.user.data1, 0);
|
|
alloc_picture(event.user.data1);
|
|
break;
|
|
case FF_REFRESH_EVENT:
|
|
video_refresh(event.user.data1);
|
|
cur_stream->refresh=0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int opt_frame_size(const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_WARNING, "Option -s is deprecated, use -video_size.\n");
|
|
return opt_default("video_size", arg);
|
|
}
|
|
|
|
static int opt_width(const char *opt, const char *arg)
|
|
{
|
|
screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_height(const char *opt, const char *arg)
|
|
{
|
|
screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_format(const char *opt, const char *arg)
|
|
{
|
|
file_iformat = av_find_input_format(arg);
|
|
if (!file_iformat) {
|
|
fprintf(stderr, "Unknown input format: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_frame_pix_fmt(const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_WARNING, "Option -pix_fmt is deprecated, use -pixel_format.\n");
|
|
return opt_default("pixel_format", arg);
|
|
}
|
|
|
|
static int opt_sync(const char *opt, const char *arg)
|
|
{
|
|
if (!strcmp(arg, "audio"))
|
|
av_sync_type = AV_SYNC_AUDIO_MASTER;
|
|
else if (!strcmp(arg, "video"))
|
|
av_sync_type = AV_SYNC_VIDEO_MASTER;
|
|
else if (!strcmp(arg, "ext"))
|
|
av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
|
|
else {
|
|
fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
|
|
exit(1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_seek(const char *opt, const char *arg)
|
|
{
|
|
start_time = parse_time_or_die(opt, arg, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_duration(const char *opt, const char *arg)
|
|
{
|
|
duration = parse_time_or_die(opt, arg, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_show_mode(const char *opt, const char *arg)
|
|
{
|
|
show_mode = !strcmp(arg, "video") ? SHOW_MODE_VIDEO :
|
|
!strcmp(arg, "waves") ? SHOW_MODE_WAVES :
|
|
!strcmp(arg, "rdft" ) ? SHOW_MODE_RDFT :
|
|
parse_number_or_die(opt, arg, OPT_INT, 0, SHOW_MODE_NB-1);
|
|
return 0;
|
|
}
|
|
|
|
static void opt_input_file(void *optctx, const char *filename)
|
|
{
|
|
if (input_filename) {
|
|
fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
|
|
filename, input_filename);
|
|
exit_program(1);
|
|
}
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
input_filename = filename;
|
|
}
|
|
|
|
static int opt_codec(void *o, const char *opt, const char *arg)
|
|
{
|
|
switch(opt[strlen(opt)-1]){
|
|
case 'a' : audio_codec_name = arg; break;
|
|
case 's' : subtitle_codec_name = arg; break;
|
|
case 'v' : video_codec_name = arg; break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int dummy;
|
|
|
|
static const OptionDef options[] = {
|
|
#include "cmdutils_common_opts.h"
|
|
{ "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
|
|
{ "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
|
|
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
|
|
{ "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
|
|
{ "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
|
|
{ "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
|
|
{ "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
|
|
{ "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
|
|
{ "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
|
|
{ "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
|
|
{ "t", HAS_ARG, {(void*)&opt_duration}, "play \"duration\" seconds of audio/video", "duration" },
|
|
{ "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
|
|
{ "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
|
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
|
|
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
|
|
{ "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
|
|
{ "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
|
|
{ "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
|
|
{ "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
|
|
{ "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
|
|
{ "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
|
|
{ "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
|
|
{ "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
|
|
{ "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
|
|
{ "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
|
|
{ "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
|
|
{ "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
|
|
{ "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
|
|
{ "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
|
|
{ "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
|
|
{ "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
|
|
{ "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
|
|
{ "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
|
|
{ "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
|
|
#if CONFIG_AVFILTER
|
|
{ "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
|
|
#endif
|
|
{ "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
|
|
{ "showmode", HAS_ARG, {(void*)opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
|
|
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
|
|
{ "i", OPT_BOOL, {(void *)&dummy}, "read specified file", "input_file"},
|
|
{ "codec", HAS_ARG | OPT_FUNC2, {(void*)opt_codec}, "force decoder", "decoder" },
|
|
{ NULL, },
|
|
};
|
|
|
|
static void show_usage(void)
|
|
{
|
|
printf("Simple media player\n");
|
|
printf("usage: %s [options] input_file\n", program_name);
|
|
printf("\n");
|
|
}
|
|
|
|
static int opt_help(const char *opt, const char *arg)
|
|
{
|
|
av_log_set_callback(log_callback_help);
|
|
show_usage();
|
|
show_help_options(options, "Main options:\n",
|
|
OPT_EXPERT, 0);
|
|
show_help_options(options, "\nAdvanced options:\n",
|
|
OPT_EXPERT, OPT_EXPERT);
|
|
printf("\n");
|
|
show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
|
|
show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
|
|
#if !CONFIG_AVFILTER
|
|
show_help_children(sws_get_class(), AV_OPT_FLAG_ENCODING_PARAM);
|
|
#endif
|
|
printf("\nWhile playing:\n"
|
|
"q, ESC quit\n"
|
|
"f toggle full screen\n"
|
|
"p, SPC pause\n"
|
|
"a cycle audio channel\n"
|
|
"v cycle video channel\n"
|
|
"t cycle subtitle channel\n"
|
|
"w show audio waves\n"
|
|
"s activate frame-step mode\n"
|
|
"left/right seek backward/forward 10 seconds\n"
|
|
"down/up seek backward/forward 1 minute\n"
|
|
"page down/page up seek backward/forward 10 minutes\n"
|
|
"mouse click seek to percentage in file corresponding to fraction of width\n"
|
|
);
|
|
return 0;
|
|
}
|
|
|
|
static int lockmgr(void **mtx, enum AVLockOp op)
|
|
{
|
|
switch(op) {
|
|
case AV_LOCK_CREATE:
|
|
*mtx = SDL_CreateMutex();
|
|
if(!*mtx)
|
|
return 1;
|
|
return 0;
|
|
case AV_LOCK_OBTAIN:
|
|
return !!SDL_LockMutex(*mtx);
|
|
case AV_LOCK_RELEASE:
|
|
return !!SDL_UnlockMutex(*mtx);
|
|
case AV_LOCK_DESTROY:
|
|
SDL_DestroyMutex(*mtx);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/* Called from the main */
|
|
int main(int argc, char **argv)
|
|
{
|
|
int flags;
|
|
VideoState *is;
|
|
|
|
av_log_set_flags(AV_LOG_SKIP_REPEATED);
|
|
parse_loglevel(argc, argv, options);
|
|
|
|
/* register all codecs, demux and protocols */
|
|
avcodec_register_all();
|
|
#if CONFIG_AVDEVICE
|
|
avdevice_register_all();
|
|
#endif
|
|
#if CONFIG_AVFILTER
|
|
avfilter_register_all();
|
|
#endif
|
|
av_register_all();
|
|
avformat_network_init();
|
|
|
|
init_opts();
|
|
|
|
show_banner(argc, argv, options);
|
|
|
|
parse_options(NULL, argc, argv, options, opt_input_file);
|
|
|
|
if (!input_filename) {
|
|
show_usage();
|
|
fprintf(stderr, "An input file must be specified\n");
|
|
fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
|
|
exit(1);
|
|
}
|
|
|
|
if (display_disable) {
|
|
video_disable = 1;
|
|
}
|
|
flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
|
|
if (audio_disable)
|
|
flags &= ~SDL_INIT_AUDIO;
|
|
#if !defined(__MINGW32__) && !defined(__APPLE__)
|
|
flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
|
|
#endif
|
|
if (SDL_Init (flags)) {
|
|
fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
|
|
fprintf(stderr, "(Did you set the DISPLAY variable?)\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (!display_disable) {
|
|
#if HAVE_SDL_VIDEO_SIZE
|
|
const SDL_VideoInfo *vi = SDL_GetVideoInfo();
|
|
fs_screen_width = vi->current_w;
|
|
fs_screen_height = vi->current_h;
|
|
#endif
|
|
}
|
|
|
|
SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
|
|
SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
|
|
SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
|
|
|
|
if (av_lockmgr_register(lockmgr)) {
|
|
fprintf(stderr, "Could not initialize lock manager!\n");
|
|
do_exit(NULL);
|
|
}
|
|
|
|
av_init_packet(&flush_pkt);
|
|
flush_pkt.data= "FLUSH";
|
|
|
|
is = stream_open(input_filename, file_iformat);
|
|
if (!is) {
|
|
fprintf(stderr, "Failed to initialize VideoState!\n");
|
|
do_exit(NULL);
|
|
}
|
|
|
|
event_loop(is);
|
|
|
|
/* never returns */
|
|
|
|
return 0;
|
|
}
|