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soft telecine support! :)) patch by nico

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14841 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
rfelker 2005-02-27 06:24:19 +00:00
parent 877126488a
commit cdc68a9f0e
1 changed files with 73 additions and 2 deletions

75
libmpdemux/muxer_mpeg.c
View File

@ -75,6 +75,7 @@ static int conf_init_adelay = 0;
static int conf_drop = 0;
static int conf_skip_padding = 0;
static int conf_reorder = 0;
static int conf_telecine = 0;
enum FRAME_TYPE {
I_FRAME = 1,
@ -149,7 +150,9 @@ typedef struct {
uint16_t max_pl_size;
int32_t last_tr;
uint32_t max_tr;
uint8_t id, reorder, is_mpeg12;
uint8_t id, reorder, is_mpeg12, telecine;
uint64_t vframes;
uint8_t rff, tff;
mp_mpeg_header_t picture;
} muxer_headers_t;
@ -173,6 +176,8 @@ m_option_t mpegopts_conf[] = {
{"skip_padding", &conf_skip_padding, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"reorder", &conf_reorder, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"noreorder", &conf_reorder, CONF_TYPE_FLAG, 0, 0, 0, NULL},
{"telecine", &conf_telecine, CONF_TYPE_FLAG, 0, 0, 1, NULL},
{"telecine2", &conf_telecine, CONF_TYPE_FLAG, 0, 0, 2, NULL},
{NULL, NULL, 0, 0, 0, 0, NULL}
};
@ -391,6 +396,7 @@ static muxer_stream_t* mpegfile_new_stream(muxer_t *muxer,int type){
else if(priv->is_xsvcd)
spriv->min_pes_hlen = 22;
spriv->reorder = conf_reorder;
spriv->telecine = conf_telecine;
mp_msg (MSGT_MUXER, MSGL_DBG2, "Added video stream %d, ckid=%X\n", muxer->num_videos, s->ckid);
} else { // MUXER_TYPE_AUDIO
spriv->type = 0;
@ -1799,9 +1805,64 @@ static uint64_t parse_fps(int fps)
}
}
static int soft_telecine(muxer_headers_t *vpriv, uint8_t *fps_ptr, uint8_t *se_ptr, uint8_t *pce_ptr)
{
uint8_t fps;
if(fps_ptr != NULL)
{
fps = *fps_ptr & 0x0f;
if(fps > FRAMERATE_24)
{
mp_msg(MSGT_MUXER, MSGL_ERR, "\nERROR! FRAMERATE IS INVALID: %d, disabling telecining\n", (int) fps);
vpriv->telecine = 0;
return 0;
}
*fps_ptr = (*fps_ptr & 0xf0) | (fps + 3);
}
if(se_ptr && (vpriv->telecine==2))
se_ptr[1] &= 0xf7;
if(! pce_ptr)
return 0;
//in pce_ptr starting from bit 0 bit 24 is tff, bit 30 is rff,
if(pce_ptr[3] & 0x2)
{
mp_msg(MSGT_MUXER, MSGL_ERR, "\nERROR! RFF bit is already set, disabling telecining\n");
vpriv->telecine = 0;
return 0;
}
if(! vpriv->vframes) //initial value of tff
vpriv->tff = (pce_ptr[3] & 0x80) >> 7;
//sets curent tff/rff bits
mp_msg(MSGT_MUXER, MSGL_V, "\nTFF: %d, RFF: %d\n", vpriv->tff, vpriv->rff);
pce_ptr[3] = (pce_ptr[3] & 0xfd) | ((vpriv->tff << 7) & 0x80) | ((vpriv->rff << 1) & 0x2);
if(! vpriv->vframes)
mp_msg(MSGT_MUXER, MSGL_INFO, "\nENABLED SOFT TELECINING, FPS=%s, INITIAL PATTERN IS TFF:%d, RFF:%d\n",
framerates[fps+3], vpriv->tff, vpriv->rff);
if(vpriv->rff)
{
vpriv->rff = 0;
vpriv->tff = !vpriv->tff;
}
else
vpriv->rff = 1;
return 1;
}
static size_t parse_mpeg12_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_headers_t *spriv, float fps, size_t len)
{
size_t ptr = 0, sz = 0, tmp = 0;
uint8_t *fps_ptr = NULL; //pointer to the fps byte in the sequence header
uint8_t *se_ptr = NULL; //pointer to sequence extension
uint8_t *pce_ptr = NULL; //pointer to picture coding extension
mp_msg(MSGT_MUXER, MSGL_V,"parse_mpeg12_video, len=%u\n", (uint32_t) len);
if(s->buffer[0] != 0 || s->buffer[1] != 0 || s->buffer[2] != 1 || len<6)
@ -1818,6 +1879,7 @@ static size_t parse_mpeg12_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_he
if(s->buffer[3] == 0xb3) //sequence
{
//uint8_t fps = s->buffer[7] & 0x0f;
fps_ptr = &(s->buffer[7]);
mp_header_process_sequence_header(&(spriv->picture), &(s->buffer[4]));
spriv->delta_pts = spriv->nom_delta_pts = parse_fps(spriv->picture.fps);
@ -1833,8 +1895,11 @@ static size_t parse_mpeg12_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_he
if(s->buffer[tmp-1] & 1)
tmp += 64;
if(s->buffer[tmp] == 0 && s->buffer[tmp+1] == 0 && s->buffer[tmp+2] == 1 && s->buffer[tmp+3] == 0xb5)
if(s->buffer[tmp] == 0 && s->buffer[tmp+1] == 0 && s->buffer[tmp+2] == 1 && s->buffer[tmp+3] == 0xb5)
{
se_ptr = &(s->buffer[tmp+4]);
mp_header_process_extension(&(spriv->picture), &(s->buffer[tmp+4]));
}
}
@ -1879,6 +1944,7 @@ static size_t parse_mpeg12_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_he
ptr++;
if(ptr < len-5)
{
pce_ptr = &(s->buffer[ptr+4]);
mp_header_process_extension(&(spriv->picture), &(s->buffer[ptr+4]));
if(spriv->picture.display_time >= 50 && spriv->picture.display_time <= 300)
spriv->delta_pts = (spriv->nom_delta_pts * spriv->picture.display_time) / 100;
@ -1913,6 +1979,10 @@ static size_t parse_mpeg12_video(muxer_stream_t *s, muxer_priv_t *priv, muxer_he
sz = len; // no extra buffer for it...
}
if(spriv->telecine)
soft_telecine(spriv, fps_ptr, se_ptr, pce_ptr);
spriv->vframes++;
reorder_frame(spriv, s->buffer, len, pt, temp_ref, spriv->delta_pts);
}
@ -2088,6 +2158,7 @@ static void mpegfile_write_chunk(muxer_stream_t *s,size_t len,unsigned int flags
{
spriv->is_mpeg12 = 0;
spriv->reorder = 0;
spriv->telecine = 0;
if(spriv->size == 0)
priv->use_psm = 1;
if(len)