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Merge commit 'c68d4c230ad8ca85af3999a6af8e582c43620d58'
* commit 'c68d4c230ad8ca85af3999a6af8e582c43620d58': mpeg4video_parser: K&R formatting cosmetics Conflicts: libavcodec/mpeg4video_parser.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
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commit
1654e64bba
@ -34,40 +34,41 @@ struct Mp4vParseContext {
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int first_picture;
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};
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int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){
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int ff_mpeg4_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size)
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{
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int vop_found, i;
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uint32_t state;
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vop_found= pc->frame_start_found;
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state= pc->state;
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vop_found = pc->frame_start_found;
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state = pc->state;
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i=0;
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if(!vop_found){
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for(i=0; i<buf_size; i++){
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state= (state<<8) | buf[i];
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if(state == 0x1B6){
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i = 0;
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if (!vop_found) {
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for (i = 0; i < buf_size; i++) {
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state = (state << 8) | buf[i];
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if (state == 0x1B6) {
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i++;
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vop_found=1;
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vop_found = 1;
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break;
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}
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}
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}
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if(vop_found){
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if (vop_found) {
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/* EOF considered as end of frame */
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if (buf_size == 0)
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return 0;
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for(; i<buf_size; i++){
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state= (state<<8) | buf[i];
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if((state&0xFFFFFF00) == 0x100){
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pc->frame_start_found=0;
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pc->state=-1;
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return i-3;
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for (; i < buf_size; i++) {
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state = (state << 8) | buf[i];
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if ((state & 0xFFFFFF00) == 0x100) {
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pc->frame_start_found = 0;
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pc->state = -1;
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return i - 3;
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}
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}
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}
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pc->frame_start_found= vop_found;
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pc->state= state;
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pc->frame_start_found = vop_found;
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pc->state = state;
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return END_NOT_FOUND;
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}
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@ -84,14 +85,15 @@ static int av_mpeg4_decode_header(AVCodecParserContext *s1,
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s->avctx = avctx;
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s->current_picture_ptr = &s->current_picture;
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if (avctx->extradata_size && pc->first_picture){
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init_get_bits(gb, avctx->extradata, avctx->extradata_size*8);
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if (avctx->extradata_size && pc->first_picture) {
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init_get_bits(gb, avctx->extradata, avctx->extradata_size * 8);
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ret = ff_mpeg4_decode_picture_header(s, gb);
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}
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init_get_bits(gb, buf, 8 * buf_size);
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ret = ff_mpeg4_decode_picture_header(s, gb);
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if (s->width && (!avctx->width || !avctx->height || !avctx->coded_width || !avctx->coded_height)) {
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if (s->width && (!avctx->width || !avctx->height ||
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!avctx->coded_width || !avctx->coded_height)) {
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ret = ff_set_dimensions(avctx, s->width, s->height);
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if (ret < 0)
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return ret;
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@ -103,7 +105,7 @@ static int av_mpeg4_decode_header(AVCodecParserContext *s1,
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s1->pts = av_rescale_q(s->time, (AVRational){1, s->avctx->time_base.den}, (AVRational){1, 1200000});
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}
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s1->pict_type= s->pict_type;
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s1->pict_type = s->pict_type;
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pc->first_picture = 0;
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return ret;
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}
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@ -115,7 +117,7 @@ static av_cold int mpeg4video_parse_init(AVCodecParserContext *s)
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ff_mpeg4videodec_static_init();
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pc->first_picture = 1;
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pc->enc.quant_precision=5;
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pc->enc.quant_precision = 5;
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pc->enc.slice_context_count = 1;
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pc->enc.showed_packed_warning = 1;
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return 0;
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@ -129,10 +131,10 @@ static int mpeg4video_parse(AVCodecParserContext *s,
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ParseContext *pc = s->priv_data;
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int next;
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if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
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next= buf_size;
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}else{
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next= ff_mpeg4_find_frame_end(pc, buf, buf_size);
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if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) {
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next = buf_size;
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} else {
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next = ff_mpeg4_find_frame_end(pc, buf, buf_size);
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if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
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*poutbuf = NULL;
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@ -147,7 +149,6 @@ static int mpeg4video_parse(AVCodecParserContext *s,
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return next;
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}
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AVCodecParser ff_mpeg4video_parser = {
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.codec_ids = { AV_CODEC_ID_MPEG4 },
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.priv_data_size = sizeof(struct Mp4vParseContext),
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