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authorMichael Niedermayer <michaelni@gmx.at>2013-02-16 21:14:00 +0100
committerMichael Niedermayer <michaelni@gmx.at>2013-02-16 23:30:09 +0100
commitb7fe35c9e50e1701274364adf7280bf4a02b092b (patch)
tree05d5ffb039ce76bbc782d36704bdf8b135df50ce /libavcodec/h264_sei.c
parentddbbfd95bee4105fcb75f3b7c039b6c08efe36b4 (diff)
parent2c541554076cc8a72e7145d4da30389ca763f32f (diff)
Merge remote-tracking branch 'qatar/master'
* qatar/master: h264: deMpegEncContextize Conflicts: libavcodec/dxva2_h264.c libavcodec/h264.c libavcodec/h264.h libavcodec/h264_cabac.c libavcodec/h264_cavlc.c libavcodec/h264_loopfilter.c libavcodec/h264_mb_template.c libavcodec/h264_parser.c libavcodec/h264_ps.c libavcodec/h264_refs.c libavcodec/h264_sei.c libavcodec/svq3.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/h264_sei.c')
-rw-r--r--libavcodec/h264_sei.c122
1 files changed, 57 insertions, 65 deletions
diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c
index 62320e2d6a..ece54f1007 100644
--- a/libavcodec/h264_sei.c
+++ b/libavcodec/h264_sei.c
@@ -45,14 +45,13 @@ void ff_h264_reset_sei(H264Context *h) {
}
static int decode_picture_timing(H264Context *h){
- MpegEncContext * const s = &h->s;
if(h->sps.nal_hrd_parameters_present_flag || h->sps.vcl_hrd_parameters_present_flag){
- h->sei_cpb_removal_delay = get_bits_long(&s->gb, h->sps.cpb_removal_delay_length);
- h->sei_dpb_output_delay = get_bits_long(&s->gb, h->sps.dpb_output_delay_length);
+ h->sei_cpb_removal_delay = get_bits_long(&h->gb, h->sps.cpb_removal_delay_length);
+ h->sei_dpb_output_delay = get_bits_long(&h->gb, h->sps.dpb_output_delay_length);
}
if(h->sps.pic_struct_present_flag){
unsigned int i, num_clock_ts;
- h->sei_pic_struct = get_bits(&s->gb, 4);
+ h->sei_pic_struct = get_bits(&h->gb, 4);
h->sei_ct_type = 0;
if (h->sei_pic_struct > SEI_PIC_STRUCT_FRAME_TRIPLING)
@@ -61,42 +60,41 @@ static int decode_picture_timing(H264Context *h){
num_clock_ts = sei_num_clock_ts_table[h->sei_pic_struct];
for (i = 0 ; i < num_clock_ts ; i++){
- if(get_bits(&s->gb, 1)){ /* clock_timestamp_flag */
+ if(get_bits(&h->gb, 1)){ /* clock_timestamp_flag */
unsigned int full_timestamp_flag;
- h->sei_ct_type |= 1<<get_bits(&s->gb, 2);
- skip_bits(&s->gb, 1); /* nuit_field_based_flag */
- skip_bits(&s->gb, 5); /* counting_type */
- full_timestamp_flag = get_bits(&s->gb, 1);
- skip_bits(&s->gb, 1); /* discontinuity_flag */
- skip_bits(&s->gb, 1); /* cnt_dropped_flag */
- skip_bits(&s->gb, 8); /* n_frames */
+ h->sei_ct_type |= 1<<get_bits(&h->gb, 2);
+ skip_bits(&h->gb, 1); /* nuit_field_based_flag */
+ skip_bits(&h->gb, 5); /* counting_type */
+ full_timestamp_flag = get_bits(&h->gb, 1);
+ skip_bits(&h->gb, 1); /* discontinuity_flag */
+ skip_bits(&h->gb, 1); /* cnt_dropped_flag */
+ skip_bits(&h->gb, 8); /* n_frames */
if(full_timestamp_flag){
- skip_bits(&s->gb, 6); /* seconds_value 0..59 */
- skip_bits(&s->gb, 6); /* minutes_value 0..59 */
- skip_bits(&s->gb, 5); /* hours_value 0..23 */
+ skip_bits(&h->gb, 6); /* seconds_value 0..59 */
+ skip_bits(&h->gb, 6); /* minutes_value 0..59 */
+ skip_bits(&h->gb, 5); /* hours_value 0..23 */
}else{
- if(get_bits(&s->gb, 1)){ /* seconds_flag */
- skip_bits(&s->gb, 6); /* seconds_value range 0..59 */
- if(get_bits(&s->gb, 1)){ /* minutes_flag */
- skip_bits(&s->gb, 6); /* minutes_value 0..59 */
- if(get_bits(&s->gb, 1)) /* hours_flag */
- skip_bits(&s->gb, 5); /* hours_value 0..23 */
+ if(get_bits(&h->gb, 1)){ /* seconds_flag */
+ skip_bits(&h->gb, 6); /* seconds_value range 0..59 */
+ if(get_bits(&h->gb, 1)){ /* minutes_flag */
+ skip_bits(&h->gb, 6); /* minutes_value 0..59 */
+ if(get_bits(&h->gb, 1)) /* hours_flag */
+ skip_bits(&h->gb, 5); /* hours_value 0..23 */
}
}
}
if(h->sps.time_offset_length > 0)
- skip_bits(&s->gb, h->sps.time_offset_length); /* time_offset */
+ skip_bits(&h->gb, h->sps.time_offset_length); /* time_offset */
}
}
- if(s->avctx->debug & FF_DEBUG_PICT_INFO)
- av_log(s->avctx, AV_LOG_DEBUG, "ct_type:%X pic_struct:%d\n", h->sei_ct_type, h->sei_pic_struct);
+ if(h->avctx->debug & FF_DEBUG_PICT_INFO)
+ av_log(h->avctx, AV_LOG_DEBUG, "ct_type:%X pic_struct:%d\n", h->sei_ct_type, h->sei_pic_struct);
}
return 0;
}
static int decode_user_data_itu_t_t35(H264Context *h, int size) {
- MpegEncContext * const s = &h->s;
uint32_t user_identifier;
int dtg_active_format;
@@ -104,28 +102,28 @@ static int decode_user_data_itu_t_t35(H264Context *h, int size) {
return -1;
size -= 7;
- skip_bits(&s->gb, 8); // country_code
- skip_bits(&s->gb, 16); // provider_code
- user_identifier = get_bits_long(&s->gb, 32);
+ skip_bits(&h->gb, 8); // country_code
+ skip_bits(&h->gb, 16); // provider_code
+ user_identifier = get_bits_long(&h->gb, 32);
switch (user_identifier) {
case 0x44544731: // "DTG1" - AFD_data
if (size < 1)
return -1;
- skip_bits(&s->gb, 1);
- if (get_bits(&s->gb, 1)) {
- skip_bits(&s->gb, 6);
+ skip_bits(&h->gb, 1);
+ if (get_bits(&h->gb, 1)) {
+ skip_bits(&h->gb, 6);
if (size < 2)
return -1;
- skip_bits(&s->gb, 4);
- dtg_active_format = get_bits(&s->gb, 4);
- s->avctx->dtg_active_format = dtg_active_format;
+ skip_bits(&h->gb, 4);
+ dtg_active_format = get_bits(&h->gb, 4);
+ h->avctx->dtg_active_format = dtg_active_format;
} else {
- skip_bits(&s->gb, 6);
+ skip_bits(&h->gb, 6);
}
break;
default:
- skip_bits(&s->gb, size * 8);
+ skip_bits(&h->gb, size * 8);
break;
}
@@ -133,7 +131,6 @@ static int decode_user_data_itu_t_t35(H264Context *h, int size) {
}
static int decode_unregistered_user_data(H264Context *h, int size){
- MpegEncContext * const s = &h->s;
uint8_t user_data[16+256];
int e, build, i;
@@ -141,7 +138,7 @@ static int decode_unregistered_user_data(H264Context *h, int size){
return -1;
for(i=0; i<sizeof(user_data)-1 && i<size; i++){
- user_data[i]= get_bits(&s->gb, 8);
+ user_data[i]= get_bits(&h->gb, 8);
}
user_data[i]= 0;
@@ -151,33 +148,30 @@ static int decode_unregistered_user_data(H264Context *h, int size){
if(e==1 && build==1 && !strncmp(user_data+16, "x264 - core 0000", 16))
h->x264_build = 67;
- if(s->avctx->debug & FF_DEBUG_BUGS)
- av_log(s->avctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data+16);
+ if(h->avctx->debug & FF_DEBUG_BUGS)
+ av_log(h->avctx, AV_LOG_DEBUG, "user data:\"%s\"\n", user_data+16);
for(; i<size; i++)
- skip_bits(&s->gb, 8);
+ skip_bits(&h->gb, 8);
return 0;
}
static int decode_recovery_point(H264Context *h){
- MpegEncContext * const s = &h->s;
-
- h->sei_recovery_frame_cnt = get_ue_golomb(&s->gb);
- skip_bits(&s->gb, 4); /* 1b exact_match_flag, 1b broken_link_flag, 2b changing_slice_group_idc */
+ h->sei_recovery_frame_cnt = get_ue_golomb(&h->gb);
+ skip_bits(&h->gb, 4); /* 1b exact_match_flag, 1b broken_link_flag, 2b changing_slice_group_idc */
return 0;
}
static int decode_buffering_period(H264Context *h){
- MpegEncContext * const s = &h->s;
unsigned int sps_id;
int sched_sel_idx;
SPS *sps;
- sps_id = get_ue_golomb_31(&s->gb);
+ sps_id = get_ue_golomb_31(&h->gb);
if(sps_id > 31 || !h->sps_buffers[sps_id]) {
- av_log(h->s.avctx, AV_LOG_ERROR, "non-existing SPS %d referenced in buffering period\n", sps_id);
+ av_log(h->avctx, AV_LOG_ERROR, "non-existing SPS %d referenced in buffering period\n", sps_id);
return -1;
}
sps = h->sps_buffers[sps_id];
@@ -185,14 +179,14 @@ static int decode_buffering_period(H264Context *h){
// NOTE: This is really so duplicated in the standard... See H.264, D.1.1
if (sps->nal_hrd_parameters_present_flag) {
for (sched_sel_idx = 0; sched_sel_idx < sps->cpb_cnt; sched_sel_idx++) {
- h->initial_cpb_removal_delay[sched_sel_idx] = get_bits_long(&s->gb, sps->initial_cpb_removal_delay_length);
- skip_bits(&s->gb, sps->initial_cpb_removal_delay_length); // initial_cpb_removal_delay_offset
+ h->initial_cpb_removal_delay[sched_sel_idx] = get_bits_long(&h->gb, sps->initial_cpb_removal_delay_length);
+ skip_bits(&h->gb, sps->initial_cpb_removal_delay_length); // initial_cpb_removal_delay_offset
}
}
if (sps->vcl_hrd_parameters_present_flag) {
for (sched_sel_idx = 0; sched_sel_idx < sps->cpb_cnt; sched_sel_idx++) {
- h->initial_cpb_removal_delay[sched_sel_idx] = get_bits_long(&s->gb, sps->initial_cpb_removal_delay_length);
- skip_bits(&s->gb, sps->initial_cpb_removal_delay_length); // initial_cpb_removal_delay_offset
+ h->initial_cpb_removal_delay[sched_sel_idx] = get_bits_long(&h->gb, sps->initial_cpb_removal_delay_length);
+ skip_bits(&h->gb, sps->initial_cpb_removal_delay_length); // initial_cpb_removal_delay_offset
}
}
@@ -201,27 +195,25 @@ static int decode_buffering_period(H264Context *h){
}
int ff_h264_decode_sei(H264Context *h){
- MpegEncContext * const s = &h->s;
-
- while (get_bits_left(&s->gb) > 16) {
+ while (get_bits_left(&h->gb) > 16) {
int size, type;
type=0;
do{
- if (get_bits_left(&s->gb) < 8)
+ if (get_bits_left(&h->gb) < 8)
return -1;
- type+= show_bits(&s->gb, 8);
- }while(get_bits(&s->gb, 8) == 255);
+ type+= show_bits(&h->gb, 8);
+ }while(get_bits(&h->gb, 8) == 255);
size=0;
do{
- if (get_bits_left(&s->gb) < 8)
+ if (get_bits_left(&h->gb) < 8)
return -1;
- size+= show_bits(&s->gb, 8);
- }while(get_bits(&s->gb, 8) == 255);
+ size+= show_bits(&h->gb, 8);
+ }while(get_bits(&h->gb, 8) == 255);
- if(s->avctx->debug&FF_DEBUG_STARTCODE)
- av_log(h->s.avctx, AV_LOG_DEBUG, "SEI %d len:%d\n", type, size);
+ if(h->avctx->debug&FF_DEBUG_STARTCODE)
+ av_log(h->avctx, AV_LOG_DEBUG, "SEI %d len:%d\n", type, size);
switch(type){
case SEI_TYPE_PIC_TIMING: // Picture timing SEI
@@ -245,11 +237,11 @@ int ff_h264_decode_sei(H264Context *h){
return -1;
break;
default:
- skip_bits(&s->gb, 8*size);
+ skip_bits(&h->gb, 8*size);
}
//FIXME check bits here
- align_get_bits(&s->gb);
+ align_get_bits(&h->gb);
}
return 0;