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  • Committer: Bazaar Package Importer
  • Author(s): Sebastian Dröge
  • Date: 2006-04-01 16:13:43 UTC
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20060401161343-n621cgjlujio0otg
Tags: upstream-0.10.1
Import upstream version 0.10.1

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gst-libs/ext/ffmpeg/libavcodec/resample.c
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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    }
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}
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ReSampleContext *audio_resample_init(int output_channels, int input_channels, 
 
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ReSampleContext *audio_resample_init(int output_channels, int input_channels,
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                                      int output_rate, int input_rate)
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{
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    ReSampleContext *s;
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    if ( input_channels > 2)
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      {
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        av_log(NULL, AV_LOG_ERROR, "Resampling with input channels greater than 2 unsupported.");
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        return NULL;
 
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        av_log(NULL, AV_LOG_ERROR, "Resampling with input channels greater than 2 unsupported.");
 
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        return NULL;
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      }
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    s = av_mallocz(sizeof(ReSampleContext));
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    if (!s)
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      {
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        av_log(NULL, AV_LOG_ERROR, "Can't allocate memory for resample context.");
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        return NULL;
 
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        av_log(NULL, AV_LOG_ERROR, "Can't allocate memory for resample context.");
 
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        return NULL;
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      }
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    s->ratio = (float)output_rate / (float)input_rate;
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    s->input_channels = input_channels;
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    s->output_channels = output_channels;
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    s->filter_channels = s->input_channels;
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    if (s->output_channels < s->filter_channels)
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        s->filter_channels = s->output_channels;
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      s->filter_channels = 2;
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    s->resample_context= av_resample_init(output_rate, input_rate, 16, 10, 0, 1.0);
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    return s;
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}
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        memcpy(bufin[i], s->temp[i], s->temp_len * sizeof(short));
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        buftmp2[i] = bufin[i] + s->temp_len;
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    }
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    /* make some zoom to avoid round pb */
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    lenout= (int)(nb_samples * s->ratio) + 16;
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    bufout[0]= (short*) av_malloc( lenout * sizeof(short) );