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https://github.com/mpv-player/mpv
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demux_rawvideo/demux_rawaudio: move both demuxers to demux_raw.c
This allows them to share some trivial code. Both demuxers are still separate from user perspective.
This commit is contained in:
wm4
parent
6c1e9e4a45
commit
cfa571253a
3
Makefile
3
Makefile
@ -193,8 +193,7 @@ SOURCES = talloc.c \
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demux/demux_mf.c \
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demux/demux_mkv.c \
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demux/demux_subreader.c \
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demux/demux_rawaudio.c \
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demux/demux_rawvideo.c \
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demux/demux_raw.c \
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demux/ebml.c \
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demux/mf.c \
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osdep/io.c \
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@ -28,11 +28,28 @@
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#include "stream/stream.h"
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#include "demux.h"
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#include "stheader.h"
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#include "audio/format.h"
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#include "video/img_format.h"
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#include "video/img_fourcc.h"
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static int format = MP_FOURCC_I420;
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struct priv {
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int frame_size;
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double frame_rate;
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};
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static struct mp_chmap channels = MP_CHMAP_INIT_STEREO;
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static int samplerate = 44100;
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static int aformat = AF_FORMAT_S16_NE;
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const m_option_t demux_rawaudio_opts[] = {
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{ "channels", &channels, &m_option_type_chmap, CONF_MIN, 1 },
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{ "rate", &samplerate, CONF_TYPE_INT,CONF_RANGE,1000,8*48000, NULL },
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{ "format", &aformat, CONF_TYPE_AFMT, 0, 0, 0, NULL },
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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static int vformat = MP_FOURCC_I420;
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static int mp_format;
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static char *codec;
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static int width = 0;
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@ -45,7 +62,7 @@ const m_option_t demux_rawvideo_opts[] = {
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{ "w", &width, CONF_TYPE_INT,CONF_RANGE,1,8192, NULL },
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{ "h", &height, CONF_TYPE_INT,CONF_RANGE,1,8192, NULL },
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// format:
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{ "format", &format, CONF_TYPE_FOURCC, 0, 0 , 0, NULL },
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{ "format", &vformat, CONF_TYPE_FOURCC, 0, 0 , 0, NULL },
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{ "mp-format", &mp_format, CONF_TYPE_IMGFMT, 0, 0 , 0, NULL },
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{ "codec", &codec, CONF_TYPE_STRING, 0, 0 , 0, NULL },
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// misc:
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@ -55,6 +72,45 @@ const m_option_t demux_rawvideo_opts[] = {
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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static int demux_rawaudio_open(demuxer_t* demuxer, enum demux_check check)
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{
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struct sh_stream *sh;
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sh_audio_t* sh_audio;
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WAVEFORMATEX* w;
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if (check != DEMUX_CHECK_REQUEST && check != DEMUX_CHECK_FORCE)
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return -1;
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if ((aformat & AF_FORMAT_SPECIAL_MASK) != 0)
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return -1;
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sh = new_sh_stream(demuxer, STREAM_AUDIO);
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sh_audio = sh->audio;
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sh_audio->gsh->codec = "mp-pcm";
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sh_audio->format = aformat;
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sh_audio->wf = w = malloc(sizeof(*w));
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w->wFormatTag = 0;
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sh_audio->channels = channels;
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w->nChannels = sh_audio->channels.num;
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w->nSamplesPerSec = sh_audio->samplerate = samplerate;
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int samplesize = (af_fmt2bits(aformat) + 7) / 8;
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w->nAvgBytesPerSec = samplerate * samplesize * w->nChannels;
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w->nBlockAlign = w->nChannels * samplesize;
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w->wBitsPerSample = 8 * samplesize;
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w->cbSize = 0;
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demuxer->movi_start = demuxer->stream->start_pos;
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demuxer->movi_end = demuxer->stream->end_pos;
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struct priv *p = talloc_ptrtype(demuxer, p);
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demuxer->priv = p;
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*p = (struct priv) {
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.frame_size = samplesize * sh_audio->channels.num,
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.frame_rate = samplerate,
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};
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return 0;
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}
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static int demux_rawvideo_open(demuxer_t* demuxer, enum demux_check check)
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{
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@ -70,7 +126,7 @@ static int demux_rawvideo_open(demuxer_t* demuxer, enum demux_check check)
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}
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const char *decoder = "rawvideo";
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int imgfmt = format;
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int imgfmt = vformat;
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if (mp_format) {
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decoder = "mp-rawvideo";
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imgfmt = mp_format;
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@ -87,7 +143,7 @@ static int demux_rawvideo_open(demuxer_t* demuxer, enum demux_check check)
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if (!imgsize) {
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int bpp = 0;
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switch(format){
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switch(vformat){
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case MP_FOURCC_I420: case MP_FOURCC_IYUV:
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case MP_FOURCC_NV12: case MP_FOURCC_NV21:
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case MP_FOURCC_HM12:
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@ -130,49 +186,64 @@ static int demux_rawvideo_open(demuxer_t* demuxer, enum demux_check check)
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demuxer->movi_start = demuxer->stream->start_pos;
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demuxer->movi_end = demuxer->stream->end_pos;
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struct priv *p = talloc_ptrtype(demuxer, p);
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demuxer->priv = p;
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*p = (struct priv) {
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.frame_size = imgsize,
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.frame_rate = fps,
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};
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return 0;
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}
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static int demux_rawvideo_fill_buffer(demuxer_t* demuxer)
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static int raw_fill_buffer(demuxer_t* demuxer)
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{
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int64_t spos = stream_tell(demuxer->stream);
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demux_packet_t* dp;
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int size;
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struct priv *p = demuxer->priv;
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if(demuxer->stream->eof)
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if (demuxer->stream->eof)
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return 0;
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dp = new_demux_packet(imgsize);
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dp->pos = (spos - demuxer->movi_start);
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dp->pts = dp->pos / (float)(imgsize) / fps;
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struct demux_packet *dp = new_demux_packet(p->frame_size);
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dp->pos = stream_tell(demuxer->stream) - demuxer->movi_start;
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dp->pts = (dp->pos / p->frame_size) / p->frame_rate;
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size = stream_read(demuxer->stream, dp->buffer, imgsize);
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resize_demux_packet(dp, size);
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int len = stream_read(demuxer->stream, dp->buffer, dp->len);
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resize_demux_packet(dp, len);
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demuxer_add_packet(demuxer, demuxer->streams[0], dp);
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return 1;
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}
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static void demux_rawvideo_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){
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static void raw_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){
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struct priv *p = demuxer->priv;
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stream_t* s = demuxer->stream;
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int64_t pos;
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pos = (flags & SEEK_ABSOLUTE) ? demuxer->movi_start : stream_tell(s);
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if(flags & SEEK_FACTOR)
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pos += ((demuxer->movi_end - demuxer->movi_start)*rel_seek_secs);
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stream_update_size(s);
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int64_t start = s->start_pos;
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int64_t end = s->end_pos;
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int64_t pos = (flags & SEEK_ABSOLUTE) ? start : stream_tell(s);
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if (flags & SEEK_FACTOR)
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pos += (end - start) * rel_seek_secs;
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else
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pos += (rel_seek_secs*fps*imgsize);
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if(pos < 0) pos = 0;
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if(demuxer->movi_end && pos > demuxer->movi_end) pos = (demuxer->movi_end-imgsize);
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pos/=imgsize;
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stream_seek(s,pos*imgsize);
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pos += rel_seek_secs * p->frame_rate * p->frame_size;
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if(pos < 0)
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pos = 0;
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if (end && pos > end)
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pos = end;
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stream_seek(s, (pos / p->frame_size) * p->frame_size);
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}
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const demuxer_desc_t demuxer_desc_rawaudio = {
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.name = "rawaudio",
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.desc = "Uncompressed audio",
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.open = demux_rawaudio_open,
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.fill_buffer = raw_fill_buffer,
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.seek = raw_seek,
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};
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const demuxer_desc_t demuxer_desc_rawvideo = {
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.name = "rawvideo",
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.desc = "Uncompressed video",
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.fill_buffer = demux_rawvideo_fill_buffer,
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.open = demux_rawvideo_open,
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.seek = demux_rawvideo_seek,
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.fill_buffer = raw_fill_buffer,
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.seek = raw_seek,
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};
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@ -1,122 +0,0 @@
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/*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include "core/m_option.h"
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#include "stream/stream.h"
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#include "demux.h"
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#include "stheader.h"
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#include "audio/format.h"
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static struct mp_chmap channels = MP_CHMAP_INIT_STEREO;
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static int samplerate = 44100;
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static int format = AF_FORMAT_S16_NE;
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const m_option_t demux_rawaudio_opts[] = {
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{ "channels", &channels, &m_option_type_chmap, CONF_MIN, 1 },
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{ "rate", &samplerate, CONF_TYPE_INT,CONF_RANGE,1000,8*48000, NULL },
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{ "format", &format, CONF_TYPE_AFMT, 0, 0, 0, NULL },
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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static int demux_rawaudio_open(demuxer_t* demuxer, enum demux_check check)
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{
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struct sh_stream *sh;
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sh_audio_t* sh_audio;
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WAVEFORMATEX* w;
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if (check != DEMUX_CHECK_REQUEST && check != DEMUX_CHECK_FORCE)
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return -1;
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if ((format & AF_FORMAT_SPECIAL_MASK) != 0)
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return -1;
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sh = new_sh_stream(demuxer, STREAM_AUDIO);
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sh_audio = sh->audio;
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sh_audio->gsh->codec = "mp-pcm";
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sh_audio->format = format;
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sh_audio->wf = w = malloc(sizeof(*w));
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w->wFormatTag = 0;
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sh_audio->channels = channels;
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w->nChannels = sh_audio->channels.num;
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w->nSamplesPerSec = sh_audio->samplerate = samplerate;
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int samplesize = (af_fmt2bits(format) + 7) / 8;
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w->nAvgBytesPerSec = samplerate * samplesize * w->nChannels;
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w->nBlockAlign = w->nChannels * samplesize;
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w->wBitsPerSample = 8 * samplesize;
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w->cbSize = 0;
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demuxer->movi_start = demuxer->stream->start_pos;
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demuxer->movi_end = demuxer->stream->end_pos;
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return 0;
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}
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static int demux_rawaudio_fill_buffer(demuxer_t* demuxer)
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{
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sh_audio_t* sh_audio = demuxer->streams[0]->audio;
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int l = sh_audio->wf->nAvgBytesPerSec;
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int64_t spos = stream_tell(demuxer->stream);
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demux_packet_t* dp;
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if(demuxer->stream->eof)
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return 0;
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dp = new_demux_packet(l);
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dp->pts = (spos - demuxer->movi_start) / (float)(sh_audio->wf->nAvgBytesPerSec);
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dp->pos = (spos - demuxer->movi_start);
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l = stream_read(demuxer->stream,dp->buffer,l);
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resize_demux_packet(dp, l);
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demuxer_add_packet(demuxer, demuxer->streams[0], dp);
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return 1;
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}
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static void demux_rawaudio_seek(demuxer_t *demuxer,float rel_seek_secs,float audio_delay,int flags){
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stream_t* s = demuxer->stream;
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sh_audio_t* sh_audio = demuxer->streams[0]->audio;
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int64_t base,pos;
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base = (flags & SEEK_ABSOLUTE) ? demuxer->movi_start : stream_tell(s);
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if(flags & SEEK_FACTOR)
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pos = base + ((demuxer->movi_end - demuxer->movi_start)*rel_seek_secs);
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else
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pos = base + (rel_seek_secs*sh_audio->i_bps);
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pos -= (pos % (sh_audio->channels.num * sh_audio->samplesize) );
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stream_seek(s,pos);
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// printf("demux_rawaudio: streamtell=%d\n",(int)stream_tell(demuxer->stream));
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}
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const demuxer_desc_t demuxer_desc_rawaudio = {
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.name = "rawaudio",
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.desc = "Uncompressed audio",
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.fill_buffer = demux_rawaudio_fill_buffer,
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.open = demux_rawaudio_open,
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.seek = demux_rawaudio_seek,
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};
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