return 0;
}
-typedef struct Mpeg1Context {
- MpegEncContext mpeg_enc_ctx;
- int mpeg_enc_ctx_allocated; /* true if decoding context allocated */
- int repeat_field; /* true if we must repeat the field */
- AVPanScan pan_scan; /**< some temporary storage for the panscan */
- int slice_count;
- int swap_uv;//indicate VCR2
- int save_aspect_info;
- int save_width, save_height, save_progressive_seq;
- AVRational frame_rate_ext; ///< MPEG-2 specific framerate modificator
- int sync; ///< Did we reach a sync point like a GOP/SEQ/KEYFrame?
- int tmpgexs;
-} Mpeg1Context;
-
static av_cold int mpeg_decode_init(AVCodecContext *avctx)
{
Mpeg1Context *s = avctx->priv_data;
assert((avctx->sub_id == 1) == (avctx->codec_id == CODEC_ID_MPEG1VIDEO));
if (avctx->codec_id == CODEC_ID_MPEG1VIDEO) {
//MPEG-1 fps
- avctx->time_base.den = ff_frame_rate_tab[s->frame_rate_index].num;
- avctx->time_base.num = ff_frame_rate_tab[s->frame_rate_index].den;
+ avctx->time_base.den = avpriv_frame_rate_tab[s->frame_rate_index].num;
+ avctx->time_base.num = avpriv_frame_rate_tab[s->frame_rate_index].den;
//MPEG-1 aspect
avctx->sample_aspect_ratio = av_d2q(1.0/ff_mpeg1_aspect[s->aspect_ratio_info], 255);
avctx->ticks_per_frame=1;
//MPEG-2 fps
av_reduce(&s->avctx->time_base.den,
&s->avctx->time_base.num,
- ff_frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num*2,
- ff_frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den,
+ avpriv_frame_rate_tab[s->frame_rate_index].num * s1->frame_rate_ext.num*2,
+ avpriv_frame_rate_tab[s->frame_rate_index].den * s1->frame_rate_ext.den,
1 << 30);
avctx->ticks_per_frame = 2;
//MPEG-2 aspect
if (s->pict_type == AV_PICTURE_TYPE_P || s->pict_type == AV_PICTURE_TYPE_B) {
s->full_pel[0] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
- if (f_code == 0 && avctx->error_recognition >= FF_ER_COMPLIANT)
+ if (f_code == 0 && (avctx->err_recognition & AV_EF_BITSTREAM))
return -1;
s->mpeg_f_code[0][0] = f_code;
s->mpeg_f_code[0][1] = f_code;
if (s->pict_type == AV_PICTURE_TYPE_B) {
s->full_pel[1] = get_bits1(&s->gb);
f_code = get_bits(&s->gb, 3);
- if (f_code == 0 && avctx->error_recognition >= FF_ER_COMPLIANT)
+ if (f_code == 0 && (avctx->err_recognition & AV_EF_BITSTREAM))
return -1;
s->mpeg_f_code[1][0] = f_code;
s->mpeg_f_code[1][1] = f_code;
* @return DECODE_SLICE_ERROR if the slice is damaged<br>
* DECODE_SLICE_OK if this slice is ok<br>
*/
-static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
+static int mpeg_decode_slice(MpegEncContext *s, int mb_y,
const uint8_t **buf, int buf_size)
{
- MpegEncContext *s = &s1->mpeg_enc_ctx;
AVCodecContext *avctx = s->avctx;
const int lowres = s->avctx->lowres;
const int field_pic = s->picture_structure != PICT_FRAME;
if (avctx->hwaccel) {
const uint8_t *buf_end, *buf_start = *buf - 4; /* include start_code */
int start_code = -1;
- buf_end = ff_find_start_code(buf_start + 2, *buf + buf_size, &start_code);
+ buf_end = avpriv_mpv_find_start_code(buf_start + 2, *buf + buf_size, &start_code);
if (buf_end < *buf + buf_size)
buf_end -= 4;
s->mb_y = mb_y;
&& s->progressive_frame == 0 /* vbv_delay == 0xBBB || 0xE10*/;
if (left < 0 || (left && show_bits(&s->gb, FFMIN(left, 23)) && !is_d10)
- || (avctx->error_recognition >= FF_ER_AGGRESSIVE && left > 8)) {
+ || ((avctx->err_recognition & AV_EF_BUFFER) && left > 8)) {
av_log(avctx, AV_LOG_ERROR, "end mismatch left=%d %0X\n", left, show_bits(&s->gb, FFMIN(left, 23)));
return -1;
} else
uint32_t start_code;
int ret;
- ret = mpeg_decode_slice((Mpeg1Context*)s, mb_y, &buf, s->gb.buffer_end - buf);
+ ret = mpeg_decode_slice(s, mb_y, &buf, s->gb.buffer_end - buf);
emms_c();
//av_log(c, AV_LOG_DEBUG, "ret:%d resync:%d/%d mb:%d/%d ts:%d/%d ec:%d\n",
//ret, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, s->start_mb_y, s->end_mb_y, s->error_count);
if (ret < 0) {
- if (c->error_recognition >= FF_ER_EXPLODE)
+ if (c->err_recognition & AV_EF_EXPLODE)
return ret;
if (s->resync_mb_x >= 0 && s->resync_mb_y >= 0)
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, AC_ERROR | DC_ERROR | MV_ERROR);
return 0;
start_code = -1;
- buf = ff_find_start_code(buf, s->gb.buffer_end, &start_code);
+ buf = avpriv_mpv_find_start_code(buf, s->gb.buffer_end, &start_code);
mb_y= (start_code - SLICE_MIN_START_CODE) << field_pic;
if (s->picture_structure == PICT_BOTTOM_FIELD)
mb_y++;
s->aspect_ratio_info = get_bits(&s->gb, 4);
if (s->aspect_ratio_info == 0) {
av_log(avctx, AV_LOG_ERROR, "aspect ratio has forbidden 0 value\n");
- if (avctx->error_recognition >= FF_ER_COMPLIANT)
+ if (avctx->err_recognition & AV_EF_BITSTREAM)
return -1;
}
s->frame_rate_index = get_bits(&s->gb, 4);
}
state++;
} else {
- i = ff_find_start_code(buf + i, buf + buf_size, &state) - buf - 1;
+ i = avpriv_mpv_find_start_code(buf + i, buf + buf_size, &state) - buf - 1;
if (pc->frame_start_found == 0 && state >= SLICE_MIN_START_CODE && state <= SLICE_MAX_START_CODE) {
i++;
pc->frame_start_found = 4;
if (avctx->extradata && !avctx->frame_number) {
int ret = decode_chunks(avctx, picture, data_size, avctx->extradata, avctx->extradata_size);
- if (ret < 0 && avctx->error_recognition >= FF_ER_EXPLODE)
+ if (ret < 0 && (avctx->err_recognition & AV_EF_EXPLODE))
return ret;
}
for (;;) {
/* find next start code */
uint32_t start_code = -1;
- buf_ptr = ff_find_start_code(buf_ptr, buf_end, &start_code);
+ buf_ptr = avpriv_mpv_find_start_code(buf_ptr, buf_end, &start_code);
if (start_code > 0x1ff) {
if (s2->pict_type != AV_PICTURE_TYPE_B || avctx->skip_frame <= AVDISCARD_DEFAULT) {
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_SLICE)) {
if (CONFIG_VDPAU && uses_vdpau(avctx))
ff_vdpau_mpeg_picture_complete(s2, buf, buf_size, s->slice_count);
+
if (slice_end(avctx, picture)) {
if (s2->last_picture_ptr || s2->low_delay) //FIXME merge with the stuff in mpeg_decode_slice
*data_size = sizeof(AVPicture);
s->sync=1;
} else {
av_log(avctx, AV_LOG_ERROR, "ignoring SEQ_START_CODE after %X\n", last_code);
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
break;
last_code = PICTURE_START_CODE;
} else {
av_log(avctx, AV_LOG_ERROR, "ignoring pic after %X\n", last_code);
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
break;
mpeg_decode_sequence_extension(s);
} else {
av_log(avctx, AV_LOG_ERROR, "ignoring seq ext after %X\n", last_code);
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
break;
mpeg_decode_picture_coding_extension(s);
} else {
av_log(avctx, AV_LOG_ERROR, "ignoring pic cod ext after %X\n", last_code);
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
break;
s->sync=1;
} else {
av_log(avctx, AV_LOG_ERROR, "ignoring GOP_START_CODE after %X\n", last_code);
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
break;
if (!s2->pict_type) {
av_log(avctx, AV_LOG_ERROR, "Missing picture start code\n");
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
break;
}
}
buf_ptr += 2; // FIXME add minimum number of bytes per slice
} else {
- ret = mpeg_decode_slice(s, mb_y, &buf_ptr, input_size);
+ ret = mpeg_decode_slice(s2, mb_y, &buf_ptr, input_size);
emms_c();
if (ret < 0) {
- if (avctx->error_recognition >= FF_ER_EXPLODE)
+ if (avctx->err_recognition & AV_EF_EXPLODE)
return ret;
if (s2->resync_mb_x >= 0 && s2->resync_mb_y >= 0)
ff_er_add_slice(s2, s2->resync_mb_x, s2->resync_mb_y, s2->mb_x, s2->mb_y, AC_ERROR | DC_ERROR | MV_ERROR);
projects / ffmpeg / blobdiff