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avformat/dss: set bitrate

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-24 14:57:39 +01:00
parent 5634ca6d37
commit 626904b777
1 changed files with 8 additions and 0 deletions
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8
libavformat/dss.c
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@ -54,6 +54,8 @@ typedef struct DSSDemuxContext {
int swap; int swap;
int dss_sp_swap_byte; int dss_sp_swap_byte;
int8_t *dss_sp_buf; int8_t *dss_sp_buf;
int packet_size;
} DSSDemuxContext; } DSSDemuxContext;
static int dss_probe(AVProbeData *p) static int dss_probe(AVProbeData *p)
@ -210,6 +212,7 @@ static void dss_sp_byte_swap(DSSDemuxContext *ctx,
static int dss_sp_read_packet(AVFormatContext *s, AVPacket *pkt) static int dss_sp_read_packet(AVFormatContext *s, AVPacket *pkt)
{ {
DSSDemuxContext *ctx = s->priv_data; DSSDemuxContext *ctx = s->priv_data;
AVStream *st = s->streams[0];
int read_size, ret, offset = 0, buff_offset = 0; int read_size, ret, offset = 0, buff_offset = 0;
int64_t pos = avio_tell(s->pb); int64_t pos = avio_tell(s->pb);
@ -223,6 +226,7 @@ static int dss_sp_read_packet(AVFormatContext *s, AVPacket *pkt)
read_size = DSS_FRAME_SIZE; read_size = DSS_FRAME_SIZE;
ctx->counter -= read_size; ctx->counter -= read_size;
ctx->packet_size = DSS_FRAME_SIZE - 1;
ret = av_new_packet(pkt, DSS_FRAME_SIZE); ret = av_new_packet(pkt, DSS_FRAME_SIZE);
if (ret < 0) if (ret < 0)
@ -231,6 +235,7 @@ static int dss_sp_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->duration = 264; pkt->duration = 264;
pkt->pos = pos; pkt->pos = pos;
pkt->stream_index = 0; pkt->stream_index = 0;
s->bit_rate = 8LL * ctx->packet_size * st->codec->sample_rate * 512 / (506 * pkt->duration);
if (ctx->counter < 0) { if (ctx->counter < 0) {
int size2 = ctx->counter + read_size; int size2 = ctx->counter + read_size;
@ -264,6 +269,7 @@ error_eof:
static int dss_723_1_read_packet(AVFormatContext *s, AVPacket *pkt) static int dss_723_1_read_packet(AVFormatContext *s, AVPacket *pkt)
{ {
DSSDemuxContext *ctx = s->priv_data; DSSDemuxContext *ctx = s->priv_data;
AVStream *st = s->streams[0];
int size, byte, ret, offset; int size, byte, ret, offset;
int64_t pos = avio_tell(s->pb); int64_t pos = avio_tell(s->pb);
@ -277,6 +283,7 @@ static int dss_723_1_read_packet(AVFormatContext *s, AVPacket *pkt)
size = frame_size[byte & 3]; size = frame_size[byte & 3];
ctx->packet_size = size;
ctx->counter -= size; ctx->counter -= size;
ret = av_new_packet(pkt, size); ret = av_new_packet(pkt, size);
@ -287,6 +294,7 @@ static int dss_723_1_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->data[0] = byte; pkt->data[0] = byte;
offset = 1; offset = 1;
pkt->duration = 240; pkt->duration = 240;
s->bit_rate = 8LL * size * st->codec->sample_rate * 512 / (506 * pkt->duration);
pkt->stream_index = 0; pkt->stream_index = 0;