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); }