limit raw packet buffer size used for codec probing
Originally committed as revision 19272 to svn://svn.ffmpeg.org/ffmpeg/trunk
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57f6d52a22
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@ -22,8 +22,8 @@
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#define AVFORMAT_AVFORMAT_H
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#define LIBAVFORMAT_VERSION_MAJOR 52
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#define LIBAVFORMAT_VERSION_MINOR 34
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#define LIBAVFORMAT_VERSION_MICRO 1
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#define LIBAVFORMAT_VERSION_MINOR 35
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#define LIBAVFORMAT_VERSION_MICRO 0
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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@ -638,6 +638,13 @@ typedef struct AVFormatContext {
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struct AVPacketList *packet_buffer_end;
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AVMetadata *metadata;
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/**
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* Remaining size available for raw_packet_buffer, in bytes.
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* NOT PART OF PUBLIC API
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*/
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#define RAW_PACKET_BUFFER_SIZE 32000
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int raw_packet_buffer_remaining_size;
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} AVFormatContext;
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typedef struct AVPacketList {
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@ -401,6 +401,8 @@ int av_open_input_stream(AVFormatContext **ic_ptr,
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ff_metadata_demux_compat(ic);
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#endif
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ic->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
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*ic_ptr = ic;
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return 0;
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fail:
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@ -532,8 +534,13 @@ int av_read_packet(AVFormatContext *s, AVPacket *pkt)
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if (pktl) {
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*pkt = pktl->pkt;
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if(s->streams[pkt->stream_index]->codec->codec_id != CODEC_ID_PROBE ||
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!s->streams[pkt->stream_index]->probe_packets){
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!s->streams[pkt->stream_index]->probe_packets ||
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s->raw_packet_buffer_remaining_size < pkt->size){
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AVProbeData *pd = &s->streams[pkt->stream_index]->probe_data;
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av_freep(&pd->buf);
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pd->buf_size = 0;
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s->raw_packet_buffer = pktl->next;
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s->raw_packet_buffer_remaining_size += pkt->size;
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av_free(pktl);
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return 0;
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}
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@ -567,6 +574,7 @@ int av_read_packet(AVFormatContext *s, AVPacket *pkt)
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return ret;
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add_to_pktbuf(&s->raw_packet_buffer, pkt, &s->raw_packet_buffer_end);
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s->raw_packet_buffer_remaining_size -= pkt->size;
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if(st->codec->codec_id == CODEC_ID_PROBE){
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AVProbeData *pd = &st->probe_data;
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@ -1102,6 +1110,7 @@ static void flush_packet_queue(AVFormatContext *s)
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av_free_packet(&pktl->pkt);
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av_free(pktl);
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}
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s->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
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}
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/*******************************************************/
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