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Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  x86: lavr: fix stack allocation for 7 and 8 channel downmixing on x86-32
  lavr: fix the decision for writing directly to the output buffer
  parisc: work around bug in gcc 4.3 and later

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-11-18 13:35:11 +01:00
parent d0a503c97c 7a9e65acee
commit 0c79a3d9cb
3 changed files with 22 additions and 5 deletions
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9
libavresample/utils.c
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@@ -254,7 +254,7 @@ int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
AudioData input_buffer;
AudioData output_buffer;
AudioData *current_buffer;
int ret;
int ret, direct_output;
/* reset internal buffers */
if (avr->in_buffer) {
@@ -276,6 +276,7 @@ int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
av_dlog(avr, "[start conversion]\n");
/* initialize output_buffer with output data */
direct_output = output && av_audio_fifo_size(avr->out_fifo) == 0;
if (output) {
ret = ff_audio_data_init(&output_buffer, output, out_plane_size,
avr->out_channels, out_samples,
@@ -295,7 +296,7 @@ int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
current_buffer = &input_buffer;
if (avr->upmix_needed && !avr->in_convert_needed && !avr->resample_needed &&
!avr->out_convert_needed && output && out_samples >= in_samples) {
!avr->out_convert_needed && direct_output && out_samples >= in_samples) {
/* in some rare cases we can copy input to output and upmix
directly in the output buffer */
av_dlog(avr, "[copy] %s to output\n", current_buffer->name);
@@ -343,7 +344,7 @@ int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
AudioData *resample_out;
int consumed = 0;
if (!avr->out_convert_needed && output && out_samples > 0)
if (!avr->out_convert_needed && direct_output && out_samples > 0)
resample_out = &output_buffer;
else
resample_out = avr->resample_out_buffer;
@@ -377,7 +378,7 @@ int attribute_align_arg avresample_convert(AVAudioResampleContext *avr,
}
if (avr->out_convert_needed) {
if (output && out_samples >= current_buffer->nb_samples) {
if (direct_output && out_samples >= current_buffer->nb_samples) {
/* convert directly to output */
av_dlog(avr, "[convert] %s to output\n", current_buffer->name);
ret = ff_audio_convert(avr->ac_out, &output_buffer, current_buffer,