diff options
-rw-r--r-- | libavformat/asfenc.c | 64 | ||||
-rw-r--r-- | tests/ref/lavf/asf | 4 | ||||
-rw-r--r-- | tests/ref/seek/lavf_asf | 10 |
3 files changed, 49 insertions, 29 deletions
diff --git a/libavformat/asfenc.c b/libavformat/asfenc.c index 2901545..4edca22 100644 --- a/libavformat/asfenc.c +++ b/libavformat/asfenc.c @@ -208,11 +208,13 @@ typedef struct { /* only for reading */ uint64_t data_offset; ///< beginning of the first data packet - int64_t last_indexed_pts; ASFIndex* index_ptr; - uint32_t nb_index_count; uint32_t nb_index_memory_alloc; uint16_t maximum_packet; + uint32_t next_packet_number; + uint16_t next_packet_count; + int next_start_sec; + int end_sec; } ASFContext; static const AVCodecTag codec_asf_bmp_tags[] = { @@ -557,10 +559,8 @@ static int asf_write_header(AVFormatContext *s) s->packet_size = PACKET_SIZE; asf->nb_packets = 0; - asf->last_indexed_pts = 0; asf->index_ptr = av_malloc( sizeof(ASFIndex) * ASF_INDEX_BLOCK ); asf->nb_index_memory_alloc = ASF_INDEX_BLOCK; - asf->nb_index_count = 0; asf->maximum_packet = 0; /* the data-chunk-size has to be 50, which is data_size - asf->data_offset @@ -782,6 +782,34 @@ static void put_frame( stream->seq++; } +static void update_index(AVFormatContext *s, int start_sec, + uint32_t packet_number, uint16_t packet_count) +{ + ASFContext *asf = s->priv_data; + + if (start_sec > asf->next_start_sec) { + int i; + + if (!asf->next_start_sec) { + asf->next_packet_number = packet_number; + asf->next_packet_count = packet_count; + } + + if (start_sec > asf->nb_index_memory_alloc) { + asf->nb_index_memory_alloc = (start_sec + ASF_INDEX_BLOCK) & ~(ASF_INDEX_BLOCK - 1); + asf->index_ptr = av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc ); + } + for (i = asf->next_start_sec; i < start_sec; i++) { + asf->index_ptr[i].packet_number = asf->next_packet_number; + asf->index_ptr[i].packet_count = asf->next_packet_count; + } + } + asf->maximum_packet = FFMAX(asf->maximum_packet, packet_count); + asf->next_packet_number = packet_number; + asf->next_packet_count = packet_count; + asf->next_start_sec = start_sec; +} + static int asf_write_packet(AVFormatContext *s, AVPacket *pkt) { ASFContext *asf = s->priv_data; @@ -789,7 +817,7 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt) AVCodecContext *codec; uint32_t packet_number; int64_t pts; - int start_sec,i; + int start_sec; int flags= pkt->flags; codec = s->streams[pkt->stream_index]->codec; @@ -806,25 +834,16 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt) packet_number = asf->nb_packets; put_frame(s, stream, s->streams[pkt->stream_index], pkt->dts, pkt->data, pkt->size, flags); + start_sec = (int)((PREROLL_TIME * 10000 + pts + ASF_INDEXED_INTERVAL - 1) + / ASF_INDEXED_INTERVAL); + /* check index */ if ((!asf->is_streamed) && (flags & AV_PKT_FLAG_KEY)) { uint16_t packet_count = asf->nb_packets - packet_number; - start_sec = (int)(pts / INT64_C(10000000)); - if (start_sec != (int)(asf->last_indexed_pts / INT64_C(10000000))) { - if (start_sec > asf->nb_index_memory_alloc) { - asf->nb_index_memory_alloc = (start_sec + ASF_INDEX_BLOCK) & ~(ASF_INDEX_BLOCK - 1); - asf->index_ptr = av_realloc( asf->index_ptr, sizeof(ASFIndex) * asf->nb_index_memory_alloc ); - } - for(i=asf->nb_index_count;i<start_sec;i++) { - // store - asf->index_ptr[i].packet_number = packet_number; - asf->index_ptr[i].packet_count = packet_count; - asf->maximum_packet = FFMAX(asf->maximum_packet, packet_count); - } - asf->nb_index_count = start_sec; - asf->last_indexed_pts = pts; - } + update_index(s, start_sec, packet_number, packet_count); } + asf->end_sec = start_sec; + return 0; } @@ -859,8 +878,9 @@ static int asf_write_trailer(AVFormatContext *s) /* write index */ data_size = avio_tell(s->pb); - if ((!asf->is_streamed) && (asf->nb_index_count != 0)) { - asf_write_index(s, asf->index_ptr, asf->maximum_packet, asf->nb_index_count); + if (!asf->is_streamed && asf->next_start_sec) { + update_index(s, asf->end_sec + 1, 0, 0); + asf_write_index(s, asf->index_ptr, asf->maximum_packet, asf->next_start_sec); } avio_flush(s->pb); diff --git a/tests/ref/lavf/asf b/tests/ref/lavf/asf index ad031a6..1298748 100644 --- a/tests/ref/lavf/asf +++ b/tests/ref/lavf/asf @@ -1,3 +1,3 @@ -e2ee0e05f020adb0aa84202a60211790 *./tests/data/lavf/lavf.asf -333489 ./tests/data/lavf/lavf.asf +0c314dcdf9a4f9afda244f0ffdaaeffb *./tests/data/lavf/lavf.asf +333581 ./tests/data/lavf/lavf.asf ./tests/data/lavf/lavf.asf CRC=0x9f5ab3e6 diff --git a/tests/ref/seek/lavf_asf b/tests/ref/seek/lavf_asf index c05078b..1427997 100644 --- a/tests/ref/seek/lavf_asf +++ b/tests/ref/seek/lavf_asf @@ -2,9 +2,9 @@ ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st:-1 flags:0 ts:-1.000000 ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st:-1 flags:1 ts: 1.894167 -ret: 0 st: 1 flags:1 dts: 0.930000 pts: 0.930000 pos: 301489 size: 209 +ret: 0 st: 1 flags:1 dts: 0.459000 pts: 0.459000 pos: 147889 size: 209 ret: 0 st: 0 flags:0 ts: 0.788000 -ret: 0 st: 1 flags:1 dts: 0.930000 pts: 0.930000 pos: 301489 size: 209 +ret: 0 st: 1 flags:1 dts: 0.459000 pts: 0.459000 pos: 147889 size: 209 ret: 0 st: 0 flags:1 ts:-0.317000 ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st: 1 flags:0 ts: 2.577000 @@ -26,7 +26,7 @@ ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 330289 size: 209 ret: 0 st:-1 flags:0 ts: 1.730004 ret: 0 st: 1 flags:1 dts: 0.930000 pts: 0.930000 pos: 301489 size: 209 ret: 0 st:-1 flags:1 ts: 0.624171 -ret: 0 st: 1 flags:1 dts: 0.459000 pts: 0.459000 pos: 147889 size: 209 +ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st: 0 flags:0 ts:-0.482000 ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st: 0 flags:1 ts: 2.413000 @@ -34,13 +34,13 @@ ret: 0 st: 1 flags:1 dts: 0.930000 pts: 0.930000 pos: 301489 size: 209 ret: 0 st: 1 flags:0 ts: 1.307000 ret: 0 st: 1 flags:1 dts: 0.982000 pts: 0.982000 pos: 330289 size: 209 ret: 0 st: 1 flags:1 ts: 0.201000 -ret: 0 st: 1 flags:1 dts: 0.198000 pts: 0.198000 pos: 74289 size: 209 +ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st:-1 flags:0 ts:-0.904994 ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st:-1 flags:1 ts: 1.989173 ret: 0 st: 1 flags:1 dts: 0.930000 pts: 0.930000 pos: 301489 size: 209 ret: 0 st: 0 flags:0 ts: 0.883000 -ret: 0 st: 1 flags:1 dts: 0.930000 pts: 0.930000 pos: 301489 size: 209 +ret: 0 st: 1 flags:1 dts: 0.459000 pts: 0.459000 pos: 147889 size: 209 ret: 0 st: 0 flags:1 ts:-0.222000 ret: 0 st: 1 flags:1 dts:-0.011000 pts:-0.011000 pos: 689 size: 208 ret: 0 st: 1 flags:0 ts: 2.672000 |