mirror of
https://github.com/xenia-project/FFmpeg.git
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Merge commit 'f8a4d5e970f32f8cc747f9fa7bd975ee4a060ea1'
* commit 'f8a4d5e970f32f8cc747f9fa7bd975ee4a060ea1': h264_parser: K&R formatting cosmetics vorbis: return meaningful errors Conflicts: libavcodec/h264_parser.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
commit
e2d4bcd7b8
@ -34,7 +34,8 @@
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#include "internal.h"
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static int h264_find_frame_end(H264Context *h, const uint8_t *buf, int buf_size)
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static int h264_find_frame_end(H264Context *h, const uint8_t *buf,
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int buf_size)
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{
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int i, j;
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uint32_t state;
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@ -42,65 +43,74 @@ static int h264_find_frame_end(H264Context *h, const uint8_t *buf, int buf_size)
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int next_avc= h->is_avc ? 0 : buf_size;
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// mb_addr= pc->mb_addr - 1;
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state= pc->state;
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if(state>13)
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state= 7;
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state = pc->state;
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if (state > 13)
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state = 7;
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if(h->is_avc && !h->nal_length_size)
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if (h->is_avc && !h->nal_length_size)
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av_log(h->avctx, AV_LOG_ERROR, "AVC-parser: nal length size invalid\n");
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for(i=0; i<buf_size; i++){
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if(i >= next_avc) {
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for (i = 0; i < buf_size; i++) {
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if (i >= next_avc) {
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int nalsize = 0;
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i = next_avc;
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for(j = 0; j < h->nal_length_size; j++)
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for (j = 0; j < h->nal_length_size; j++)
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nalsize = (nalsize << 8) | buf[i++];
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if(nalsize <= 0 || nalsize > buf_size - i){
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if (nalsize <= 0 || nalsize > buf_size - i) {
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av_log(h->avctx, AV_LOG_ERROR, "AVC-parser: nal size %d remaining %d\n", nalsize, buf_size - i);
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return buf_size;
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}
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next_avc= i + nalsize;
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state= 5;
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next_avc = i + nalsize;
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state = 5;
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}
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if(state==7){
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if (state == 7) {
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#if HAVE_FAST_UNALIGNED
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/* we check i<buf_size instead of i+3/7 because its simpler
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* and there should be FF_INPUT_BUFFER_PADDING_SIZE bytes at the end
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*/
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/* we check i < buf_size instead of i + 3 / 7 because it is
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* simpler and there must be FF_INPUT_BUFFER_PADDING_SIZE
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* bytes at the end.
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*/
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# if HAVE_FAST_64BIT
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while(i<next_avc && !((~*(const uint64_t*)(buf+i) & (*(const uint64_t*)(buf+i) - 0x0101010101010101ULL)) & 0x8080808080808080ULL))
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i+=8;
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while (i < next_avc &&
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!((~*(const uint64_t *)(buf + i) &
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(*(const uint64_t *)(buf + i) - 0x0101010101010101ULL)) &
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0x8080808080808080ULL))
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i += 8;
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# else
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while(i<next_avc && !((~*(const uint32_t*)(buf+i) & (*(const uint32_t*)(buf+i) - 0x01010101U)) & 0x80808080U))
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i+=4;
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while (i < next_avc &&
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!((~*(const uint32_t *)(buf + i) &
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(*(const uint32_t *)(buf + i) - 0x01010101U)) &
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0x80808080U))
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i += 4;
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# endif
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#endif
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for(; i<next_avc; i++){
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if(!buf[i]){
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state=2;
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for (; i < next_avc; i++)
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if (!buf[i]) {
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state = 2;
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break;
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}
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}
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}else if(state<=2){
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if(buf[i]==1) state^= 5; //2->7, 1->4, 0->5
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else if(buf[i]) state = 7;
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else state>>=1; //2->1, 1->0, 0->0
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}else if(state<=5){
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int v= buf[i] & 0x1F;
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if(v==6 || v==7 || v==8 || v==9){
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if(pc->frame_start_found){
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} else if (state <= 2) {
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if (buf[i] == 1)
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state ^= 5; // 2->7, 1->4, 0->5
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else if (buf[i])
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state = 7;
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else
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state >>= 1; // 2->1, 1->0, 0->0
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} else if (state <= 5) {
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int v = buf[i] & 0x1F;
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if (v == 6 || v == 7 || v == 8 || v == 9) {
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if (pc->frame_start_found) {
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i++;
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goto found;
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}
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}else if(v==1 || v==2 || v==5){
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state+=8;
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} else if (v == 1 || v == 2 || v == 5) {
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state += 8;
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continue;
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}
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state= 7;
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}else{
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state = 7;
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} else {
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h->parse_history[h->parse_history_count++]= buf[i];
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if(h->parse_history_count>3){
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if (h->parse_history_count>3) {
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unsigned int mb, last_mb= h->parse_last_mb;
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GetBitContext gb;
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@ -109,26 +119,26 @@ static int h264_find_frame_end(H264Context *h, const uint8_t *buf, int buf_size)
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mb= get_ue_golomb_long(&gb);
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last_mb= h->parse_last_mb;
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h->parse_last_mb= mb;
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if(pc->frame_start_found){
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if(mb <= last_mb)
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if (pc->frame_start_found) {
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if (mb <= last_mb)
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goto found;
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}else
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} else
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pc->frame_start_found = 1;
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state= 7;
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state = 7;
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}
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}
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}
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pc->state= state;
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if(h->is_avc)
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pc->state = state;
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if (h->is_avc)
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return next_avc;
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return END_NOT_FOUND;
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found:
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pc->state=7;
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pc->frame_start_found= 0;
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if(h->is_avc)
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pc->state = 7;
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pc->frame_start_found = 0;
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if (h->is_avc)
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return next_avc;
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return i-(state&5) - 3*(state>7);
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return i - (state & 5) - 3 * (state > 7);
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}
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/**
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@ -143,7 +153,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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AVCodecContext *avctx,
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const uint8_t *buf, int buf_size)
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{
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H264Context *h = s->priv_data;
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H264Context *h = s->priv_data;
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const uint8_t *buf_end = buf + buf_size;
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unsigned int pps_id;
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unsigned int slice_type;
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@ -153,20 +163,20 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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int field_poc[2];
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/* set some sane default values */
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s->pict_type = AV_PICTURE_TYPE_I;
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s->key_frame = 0;
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s->pict_type = AV_PICTURE_TYPE_I;
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s->key_frame = 0;
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s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN;
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h->avctx= avctx;
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h->sei_recovery_frame_cnt = -1;
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h->sei_dpb_output_delay = 0;
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h->avctx = avctx;
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h->sei_recovery_frame_cnt = -1;
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h->sei_dpb_output_delay = 0;
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h->sei_cpb_removal_delay = -1;
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h->sei_buffering_period_present = 0;
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h->sei_buffering_period_present = 0;
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if (!buf_size)
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return 0;
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for(;;) {
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for (;;) {
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int src_length, dst_length, consumed, nalsize = 0;
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if (h->is_avc) {
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int i;
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@ -181,7 +191,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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src_length = nalsize;
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} else {
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buf = avpriv_find_start_code(buf, buf_end, &state);
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if(buf >= buf_end)
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if (buf >= buf_end)
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break;
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--buf;
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src_length = buf_end - buf;
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@ -194,12 +204,12 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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src_length = 20;
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break;
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}
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ptr= ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length);
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if (ptr==NULL || dst_length < 0)
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ptr = ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length);
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if (ptr == NULL || dst_length < 0)
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break;
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init_get_bits(&h->gb, ptr, 8*dst_length);
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switch(h->nal_unit_type) {
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init_get_bits(&h->gb, ptr, 8 * dst_length);
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switch (h->nal_unit_type) {
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case NAL_SPS:
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ff_h264_decode_seq_parameter_set(h);
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break;
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@ -216,42 +226,45 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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h->prev_frame_num_offset = 0;
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h->prev_poc_msb =
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h->prev_poc_lsb = 0;
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/* fall through */
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/* fall through */
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case NAL_SLICE:
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get_ue_golomb_long(&h->gb); // skip first_mb_in_slice
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slice_type = get_ue_golomb_31(&h->gb);
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slice_type = get_ue_golomb_31(&h->gb);
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s->pict_type = golomb_to_pict_type[slice_type % 5];
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if (h->sei_recovery_frame_cnt >= 0) {
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/* key frame, since recovery_frame_cnt is set */
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s->key_frame = 1;
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}
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pps_id= get_ue_golomb(&h->gb);
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if(pps_id>=MAX_PPS_COUNT) {
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av_log(h->avctx, AV_LOG_ERROR, "pps_id out of range\n");
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pps_id = get_ue_golomb(&h->gb);
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if (pps_id >= MAX_PPS_COUNT) {
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av_log(h->avctx, AV_LOG_ERROR,
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"pps_id out of range\n");
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return -1;
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}
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if(!h->pps_buffers[pps_id]) {
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av_log(h->avctx, AV_LOG_ERROR, "non-existing PPS referenced\n");
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if (!h->pps_buffers[pps_id]) {
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av_log(h->avctx, AV_LOG_ERROR,
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"non-existing PPS referenced\n");
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return -1;
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}
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h->pps= *h->pps_buffers[pps_id];
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if(!h->sps_buffers[h->pps.sps_id]) {
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av_log(h->avctx, AV_LOG_ERROR, "non-existing SPS referenced\n");
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h->pps = *h->pps_buffers[pps_id];
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if (!h->sps_buffers[h->pps.sps_id]) {
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av_log(h->avctx, AV_LOG_ERROR,
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"non-existing SPS referenced\n");
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return -1;
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}
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h->sps = *h->sps_buffers[h->pps.sps_id];
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h->sps = *h->sps_buffers[h->pps.sps_id];
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h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num);
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avctx->profile = ff_h264_get_profile(&h->sps);
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avctx->level = h->sps.level_idc;
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if(h->sps.frame_mbs_only_flag){
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h->picture_structure= PICT_FRAME;
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}else{
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if(get_bits1(&h->gb)) { //field_pic_flag
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h->picture_structure= PICT_TOP_FIELD + get_bits1(&h->gb); //bottom_field_flag
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if (h->sps.frame_mbs_only_flag) {
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h->picture_structure = PICT_FRAME;
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} else {
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if (get_bits1(&h->gb)) { // field_pic_flag
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h->picture_structure = PICT_TOP_FIELD + get_bits1(&h->gb); // bottom_field_flag
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} else {
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h->picture_structure= PICT_FRAME;
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h->picture_structure = PICT_FRAME;
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}
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}
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@ -260,43 +273,46 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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if (h->sps.poc_type == 0) {
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h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb);
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if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
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if (h->pps.pic_order_present == 1 &&
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h->picture_structure == PICT_FRAME)
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h->delta_poc_bottom = get_se_golomb(&h->gb);
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}
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if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) {
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if (h->sps.poc_type == 1 &&
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!h->sps.delta_pic_order_always_zero_flag) {
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h->delta_poc[0] = get_se_golomb(&h->gb);
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if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME)
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if (h->pps.pic_order_present == 1 &&
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h->picture_structure == PICT_FRAME)
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h->delta_poc[1] = get_se_golomb(&h->gb);
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}
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ff_init_poc(h, field_poc, NULL);
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if(h->sps.pic_struct_present_flag) {
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if (h->sps.pic_struct_present_flag) {
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switch (h->sei_pic_struct) {
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case SEI_PIC_STRUCT_TOP_FIELD:
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case SEI_PIC_STRUCT_BOTTOM_FIELD:
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s->repeat_pict = 0;
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break;
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case SEI_PIC_STRUCT_FRAME:
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case SEI_PIC_STRUCT_TOP_BOTTOM:
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case SEI_PIC_STRUCT_BOTTOM_TOP:
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s->repeat_pict = 1;
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break;
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case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
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case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
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s->repeat_pict = 2;
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break;
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case SEI_PIC_STRUCT_FRAME_DOUBLING:
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s->repeat_pict = 3;
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break;
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case SEI_PIC_STRUCT_FRAME_TRIPLING:
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s->repeat_pict = 5;
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break;
|
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default:
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s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0;
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break;
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case SEI_PIC_STRUCT_TOP_FIELD:
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case SEI_PIC_STRUCT_BOTTOM_FIELD:
|
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s->repeat_pict = 0;
|
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break;
|
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case SEI_PIC_STRUCT_FRAME:
|
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case SEI_PIC_STRUCT_TOP_BOTTOM:
|
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case SEI_PIC_STRUCT_BOTTOM_TOP:
|
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s->repeat_pict = 1;
|
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break;
|
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case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
|
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case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
|
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s->repeat_pict = 2;
|
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break;
|
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case SEI_PIC_STRUCT_FRAME_DOUBLING:
|
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s->repeat_pict = 3;
|
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break;
|
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case SEI_PIC_STRUCT_FRAME_TRIPLING:
|
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s->repeat_pict = 5;
|
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break;
|
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default:
|
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s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0;
|
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break;
|
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}
|
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} else {
|
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s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0;
|
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@ -306,17 +322,17 @@ static inline int parse_nal_units(AVCodecParserContext *s,
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s->picture_structure = AV_PICTURE_STRUCTURE_FRAME;
|
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if (h->sps.pic_struct_present_flag) {
|
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switch (h->sei_pic_struct) {
|
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case SEI_PIC_STRUCT_TOP_BOTTOM:
|
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case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
|
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s->field_order = AV_FIELD_TT;
|
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break;
|
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case SEI_PIC_STRUCT_BOTTOM_TOP:
|
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case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
|
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s->field_order = AV_FIELD_BB;
|
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break;
|
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default:
|
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s->field_order = AV_FIELD_PROGRESSIVE;
|
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break;
|
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case SEI_PIC_STRUCT_TOP_BOTTOM:
|
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case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
|
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s->field_order = AV_FIELD_TT;
|
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break;
|
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case SEI_PIC_STRUCT_BOTTOM_TOP:
|
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case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
|
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s->field_order = AV_FIELD_BB;
|
||||
break;
|
||||
default:
|
||||
s->field_order = AV_FIELD_PROGRESSIVE;
|
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break;
|
||||
}
|
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} else {
|
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if (field_poc[0] < field_poc[1])
|
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@ -350,7 +366,7 @@ static int h264_parse(AVCodecParserContext *s,
|
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const uint8_t **poutbuf, int *poutbuf_size,
|
||||
const uint8_t *buf, int buf_size)
|
||||
{
|
||||
H264Context *h = s->priv_data;
|
||||
H264Context *h = s->priv_data;
|
||||
ParseContext *pc = &h->parse_context;
|
||||
int next;
|
||||
|
||||
@ -368,19 +384,19 @@ static int h264_parse(AVCodecParserContext *s,
|
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}
|
||||
}
|
||||
|
||||
if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
|
||||
next= buf_size;
|
||||
}else{
|
||||
if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) {
|
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next = buf_size;
|
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} else {
|
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next = h264_find_frame_end(h, buf, buf_size);
|
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|
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if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
|
||||
*poutbuf = NULL;
|
||||
*poutbuf = NULL;
|
||||
*poutbuf_size = 0;
|
||||
return buf_size;
|
||||
}
|
||||
|
||||
if(next<0 && next != END_NOT_FOUND){
|
||||
av_assert1(pc->last_index + next >= 0 );
|
||||
if (next < 0 && next != END_NOT_FOUND) {
|
||||
av_assert1(pc->last_index + next >= 0);
|
||||
h264_find_frame_end(h, &pc->buffer[pc->last_index + next], -next); // update state
|
||||
}
|
||||
}
|
||||
@ -401,7 +417,7 @@ static int h264_parse(AVCodecParserContext *s,
|
||||
s->flags &= PARSER_FLAG_COMPLETE_FRAMES;
|
||||
}
|
||||
|
||||
*poutbuf = buf;
|
||||
*poutbuf = buf;
|
||||
*poutbuf_size = buf_size;
|
||||
return next;
|
||||
}
|
||||
@ -411,28 +427,33 @@ static int h264_split(AVCodecContext *avctx,
|
||||
{
|
||||
int i;
|
||||
uint32_t state = -1;
|
||||
int has_sps= 0;
|
||||
int has_sps = 0;
|
||||
|
||||
for(i=0; i<=buf_size; i++){
|
||||
if((state&0xFFFFFF1F) == 0x107)
|
||||
has_sps=1;
|
||||
/* if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
|
||||
}*/
|
||||
if((state&0xFFFFFF00) == 0x100 && (state&0xFFFFFF1F) != 0x107 && (state&0xFFFFFF1F) != 0x108 && (state&0xFFFFFF1F) != 0x109){
|
||||
if(has_sps){
|
||||
while(i>4 && buf[i-5]==0) i--;
|
||||
return i-4;
|
||||
for (i = 0; i <= buf_size; i++) {
|
||||
if ((state & 0xFFFFFF1F) == 0x107)
|
||||
has_sps = 1;
|
||||
/* if ((state&0xFFFFFF1F) == 0x101 ||
|
||||
* (state&0xFFFFFF1F) == 0x102 ||
|
||||
* (state&0xFFFFFF1F) == 0x105) {
|
||||
* }
|
||||
*/
|
||||
if ((state & 0xFFFFFF00) == 0x100 && (state & 0xFFFFFF1F) != 0x107 &&
|
||||
(state & 0xFFFFFF1F) != 0x108 && (state & 0xFFFFFF1F) != 0x109) {
|
||||
if (has_sps) {
|
||||
while (i > 4 && buf[i - 5] == 0)
|
||||
i--;
|
||||
return i - 4;
|
||||
}
|
||||
}
|
||||
if (i<buf_size)
|
||||
state= (state<<8) | buf[i];
|
||||
if (i < buf_size)
|
||||
state = (state << 8) | buf[i];
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void close(AVCodecParserContext *s)
|
||||
{
|
||||
H264Context *h = s->priv_data;
|
||||
H264Context *h = s->priv_data;
|
||||
ParseContext *pc = &h->parse_context;
|
||||
|
||||
av_free(pc->buffer);
|
||||
@ -442,7 +463,7 @@ static void close(AVCodecParserContext *s)
|
||||
static av_cold int init(AVCodecParserContext *s)
|
||||
{
|
||||
H264Context *h = s->priv_data;
|
||||
h->thread_context[0] = h;
|
||||
h->thread_context[0] = h;
|
||||
h->slice_context_count = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1386,7 +1386,7 @@ static av_always_inline int vorbis_residue_decode_internal(vorbis_context *vc,
|
||||
|
||||
if (max_output > ch_left * vlen) {
|
||||
av_log(vc->avctx, AV_LOG_ERROR, "Insufficient output buffer\n");
|
||||
return -1;
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
|
||||
av_dlog(NULL, " residue type 0/1/2 decode begin, ch: %d cpc %d \n", ch, c_p_c);
|
||||
@ -1637,7 +1637,7 @@ static int vorbis_parse_audio_packet(vorbis_context *vc, float **floor_ptr)
|
||||
residue = &vc->residues[mapping->submap_residue[i]];
|
||||
if (ch_left < ch) {
|
||||
av_log(vc->avctx, AV_LOG_ERROR, "Too many channels in vorbis_floor_decode.\n");
|
||||
return -1;
|
||||
return AVERROR_INVALIDDATA;
|
||||
}
|
||||
if (ch) {
|
||||
ret = vorbis_residue_decode(vc, residue, ch, do_not_decode, ch_res_ptr, vlen, ch_left);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user