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Support planar sample formats (fixes )

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This commit is contained in:
Alexander Kojevnikov 2013-02-10 22:21:15 -08:00
parent 389fed7a14
commit 96c209b37b
1 changed files with 18 additions and 3 deletions

21
src/spek-audio.cc

@ -175,13 +175,28 @@ int spek_audio_read(struct spek_audio_context *cx) {
continue;
}
// We have data, return it and come back for more later.
int buffer_size =
cx->frame->nb_samples * cx->properties.channels * cx->properties.width;
int samples = cx->frame->nb_samples;
int channels = cx->properties.channels;
int width = cx->properties.width;
int buffer_size = samples * channels * width;
if (buffer_size > cx->buffer_size) {
cx->properties.buffer = (uint8_t*)av_realloc(cx->properties.buffer, buffer_size);
cx->buffer_size = buffer_size;
}
memcpy(cx->properties.buffer, cx->frame->data[0], buffer_size);
if (cx->is_planar) {
for (int channel = 0; channel < channels; ++channel) {
uint8_t *buffer = cx->properties.buffer + channel * width;
uint8_t *data = cx->frame->data[channel];
for (int sample = 0; sample < samples; ++sample) {
for (int i = 0; i < width; ++i) {
*buffer++ = *data++;
}
buffer += (channels - 1) * width;
}
}
} else {
memcpy(cx->properties.buffer, cx->frame->data[0], buffer_size);
}
return buffer_size;
}
if (cx->packet.data) {