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author | Michael Niedermayer <michaelni@gmx.at> | 2015-01-27 15:35:27 +0300 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2015-01-27 15:35:31 +0300 |
commit | e5c28d4f9a72691daa788a252f9b06c758882cf2 (patch) | |
tree | 2727d0126d551e007881af6f8b0b63e8fa2afc5d /doc/examples | |
parent | d078d57fb769e83c00c402f2f34978c1cd50dce7 (diff) | |
parent | 3a70c0c95feacb3844d05eebd579fc8189a77eee (diff) |
Merge commit '3a70c0c95feacb3844d05eebd579fc8189a77eee'
* commit '3a70c0c95feacb3844d05eebd579fc8189a77eee':
examples/transcode_aac: generate proper PTS and set the muxer timebase
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'doc/examples')
-rw-r--r-- | doc/examples/transcode_aac.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/examples/transcode_aac.c b/doc/examples/transcode_aac.c index 60cf2d9e35..339d65c71c 100644 --- a/doc/examples/transcode_aac.c +++ b/doc/examples/transcode_aac.c @@ -183,6 +183,10 @@ static int open_output_file(const char *filename, /** Allow the use of the experimental AAC encoder */ (*output_codec_context)->strict_std_compliance = FF_COMPLIANCE_EXPERIMENTAL; + /** Set the sample rate for the container. */ + stream->time_base.den = input_codec_context->sample_rate; + stream->time_base.num = 1; + /** * Some container formats (like MP4) require global headers to be present * Mark the encoder so that it behaves accordingly. @@ -539,6 +543,9 @@ static int init_output_frame(AVFrame **frame, return 0; } +/** Global timestamp for the audio frames */ +static int64_t pts = 0; + /** Encode one frame worth of audio to the output file. */ static int encode_audio_frame(AVFrame *frame, AVFormatContext *output_format_context, @@ -550,6 +557,12 @@ static int encode_audio_frame(AVFrame *frame, int error; init_packet(&output_packet); + /** Set a timestamp based on the sample rate for the container. */ + if (frame) { + frame->pts = pts; + pts += frame->nb_samples; + } + /** * Encode the audio frame and store it in the temporary packet. * The output audio stream encoder is used to do this. |