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Code Issues Releases Activity

libspeexenc: fix pts calculations for more than 1 frame per packet

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This commit is contained in:
Justin Ruggles 2011-12-30 17:56:04 -05:00
parent 730280f90d
commit 9785082c15
1 changed files with 7 additions and 5 deletions
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12
libavcodec/libspeexenc.c
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@ -83,7 +83,8 @@ typedef struct {
int abr; ///< flag to enable ABR
int pkt_frame_count; ///< frame count for the current packet
int lookahead; ///< encoder delay
int sample_count; ///< total sample count (used for pts)
int64_t next_pts; ///< next pts, in sample_rate time base
int pkt_sample_count; ///< sample count in the current packet
} LibSpeexEncContext;
static av_cold void print_enc_params(AVCodecContext *avctx,
@ -201,7 +202,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
/* set encoding delay */
speex_encoder_ctl(s->enc_state, SPEEX_GET_LOOKAHEAD, &s->lookahead);
s->sample_count = -s->lookahead;
s->next_pts = -s->lookahead;
/* create header packet bytes from header struct */
/* note: libspeex allocates the memory for header_data, which is freed
@ -235,7 +236,6 @@ static int encode_frame(AVCodecContext *avctx, uint8_t *frame, int buf_size,
{
LibSpeexEncContext *s = avctx->priv_data;
int16_t *samples = data;
int sample_count = s->sample_count;
if (data) {
/* encode Speex frame */
@ -243,7 +243,7 @@ static int encode_frame(AVCodecContext *avctx, uint8_t *frame, int buf_size,
speex_encode_stereo_int(samples, s->header.frame_size, &s->bits);
speex_encode_int(s->enc_state, samples, &s->bits);
s->pkt_frame_count++;
s->sample_count += avctx->frame_size;
s->pkt_sample_count += avctx->frame_size;
} else {
/* handle end-of-stream */
if (!s->pkt_frame_count)
@ -259,8 +259,10 @@ static int encode_frame(AVCodecContext *avctx, uint8_t *frame, int buf_size,
if (s->pkt_frame_count == s->frames_per_packet) {
s->pkt_frame_count = 0;
avctx->coded_frame->pts =
av_rescale_q(sample_count, (AVRational){ 1, avctx->sample_rate },
av_rescale_q(s->next_pts, (AVRational){ 1, avctx->sample_rate },
avctx->time_base);
s->next_pts += s->pkt_sample_count;
s->pkt_sample_count = 0;
if (buf_size > speex_bits_nbytes(&s->bits)) {
int ret = speex_bits_write(&s->bits, frame, buf_size);
speex_bits_reset(&s->bits);