void FFMS_VideoSource::ReAdjustOutputFormat() {
if (SWS) {
sws_freeContext(SWS);
SWS = nullptr;
}
DetectInputFormat();
OutputFormat = FindBestPixelFormat(TargetPixelFormats, InputFormat);
if (OutputFormat == FFMS_PIX_FMT(NONE)) {
ResetOutputFormat();
throw FFMS_Exception(FFMS_ERROR_SCALING, FFMS_ERROR_INVALID_ARGUMENT,
"No suitable output format found");
}
OutputColorRange = handle_jpeg(&OutputFormat);
if (OutputColorRange == AVCOL_RANGE_UNSPECIFIED)
OutputColorRange = CodecContext->color_range;
if (OutputColorRange == AVCOL_RANGE_UNSPECIFIED)
OutputColorRange = InputColorRange;
OutputColorSpace = CodecContext->colorspace;
if (OutputColorSpace == AVCOL_SPC_UNSPECIFIED)
OutputColorSpace = InputColorSpace;
if (InputFormat != OutputFormat ||
TargetWidth != CodecContext->width ||
TargetHeight != CodecContext->height ||
InputColorSpace != OutputColorSpace ||
InputColorRange != OutputColorRange)
{
SWS = GetSwsContext(
CodecContext->width, CodecContext->height, InputFormat, InputColorSpace, InputColorRange,
TargetWidth, TargetHeight, OutputFormat, OutputColorSpace, OutputColorRange,
TargetResizer);
if (!SWS) {
ResetOutputFormat();
throw FFMS_Exception(FFMS_ERROR_SCALING, FFMS_ERROR_INVALID_ARGUMENT,
"Failed to allocate SWScale context");
}
}
av_freep(&SWSFrameData[0]);
if (av_image_alloc(SWSFrameData, SWSFrameLinesize, TargetWidth, TargetHeight, OutputFormat, 4) < 0)
throw FFMS_Exception(FFMS_ERROR_SCALING, FFMS_ERROR_ALLOCATION_FAILED,
"Could not allocate frame with new resolution.");
}
void FFMS_VideoSource::ReAdjustOutputFormat() {
if (SWS) {
sws_freeContext(SWS);
SWS = NULL;
}
DetectInputFormat();
OutputFormat = FindBestPixelFormat(TargetPixelFormats, InputFormat);
if (OutputFormat == PIX_FMT_NONE) {
ResetOutputFormat();
throw FFMS_Exception(FFMS_ERROR_SCALING, FFMS_ERROR_INVALID_ARGUMENT,
"No suitable output format found");
}
OutputColorRange = handle_jpeg(&OutputFormat);
if (OutputColorRange == AVCOL_RANGE_UNSPECIFIED)
OutputColorRange = CodecContext->color_range;
if (OutputColorRange == AVCOL_RANGE_UNSPECIFIED)
OutputColorRange = InputColorRange;
OutputColorSpace = CodecContext->colorspace;
if (OutputColorSpace == AVCOL_SPC_UNSPECIFIED)
OutputColorSpace = InputColorSpace;
if (InputFormat != OutputFormat ||
TargetWidth != CodecContext->width ||
TargetHeight != CodecContext->height ||
InputColorSpace != OutputColorSpace ||
InputColorRange != OutputColorRange)
{
SWS = GetSwsContext(
CodecContext->width, CodecContext->height, InputFormat, InputColorSpace, InputColorRange,
TargetWidth, TargetHeight, OutputFormat, OutputColorSpace, OutputColorRange,
TargetResizer);
if (!SWS) {
ResetOutputFormat();
throw FFMS_Exception(FFMS_ERROR_SCALING, FFMS_ERROR_INVALID_ARGUMENT,
"Failed to allocate SWScale context");
}
}
avpicture_free(&SWSFrame);
avpicture_alloc(&SWSFrame, OutputFormat, TargetWidth, TargetHeight);
}