obs-ffmpeg, win-dshow, deps/media-playback: Use recommended API for AVCodecContext

deps/media-playback/media-playback/decode.c

@@ -113,7 +113,8 @@ static int mp_open_codec(struct mp_decode *d, bool hw)
 	return ret;
 
 fail:
-	avcodec_close(c);
+	avcodec_free_context(&c);
+
 #if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 40, 101)
 	av_free(d->decoder);
 #endif
@@ -220,13 +221,10 @@ void mp_decode_free(struct mp_decode *d)
 		av_frame_unref(d->hw_frame);
 		av_free(d->hw_frame);
 	}
-	if (d->decoder) {
-#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(57, 40, 101)
+
+	if (d->decoder)
 		avcodec_free_context(&d->decoder);
-#else
-		avcodec_close(d->decoder);
-#endif
-	}
+
 	if (d->sw_frame) {
 		av_frame_unref(d->sw_frame);
 		av_free(d->sw_frame);

libobs/graphics/graphics-ffmpeg.c

@@ -72,11 +72,7 @@ static bool ffmpeg_image_open_decoder_context(struct ffmpeg_image *info)
 
 static void ffmpeg_image_free(struct ffmpeg_image *info)
 {
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 48, 101)
 	avcodec_free_context(&info->decoder_ctx);
-#else
-	avcodec_close(info->decoder_ctx);
-#endif
 	avformat_close_input(&info->fmt_ctx);
 }
 

plugins/obs-ffmpeg/ffmpeg-mux/ffmpeg-mux.c

@@ -150,6 +150,7 @@ static void free_avformat(struct ffmpeg_mux *ffm)
 	if (ffm->audio_infos) {
 		for (int i = 0; i < ffm->num_audio_streams; ++i)
 			avcodec_free_context(&ffm->audio_infos[i].ctx);
+
 		free(ffm->audio_infos);
 	}
 

plugins/obs-ffmpeg/obs-ffmpeg-audio-encoders.c

@@ -124,8 +124,10 @@ static void enc_destroy(void *data)
 
 	if (enc->samples[0])
 		av_freep(&enc->samples[0]);
+
 	if (enc->context)
-		avcodec_close(enc->context);
+		avcodec_free_context(&enc->context);
+
 	if (enc->aframe)
 		av_frame_free(&enc->aframe);
 

plugins/obs-ffmpeg/obs-ffmpeg-nvenc.c

@@ -358,7 +358,7 @@ static void nvenc_destroy(void *data)
 		flush_remaining_packets(enc);
 
 	av_packet_free(&enc->packet);
-	avcodec_close(enc->context);
+	avcodec_free_context(&enc->context);
 	av_frame_unref(enc->vframe);
 	av_frame_free(&enc->vframe);
 	da_free(enc->buffer);

plugins/obs-ffmpeg/obs-ffmpeg-output.c

@@ -457,11 +457,7 @@ static inline bool open_output_file(struct ffmpeg_data *data)
 
 static void close_video(struct ffmpeg_data *data)
 {
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 48, 101)
 	avcodec_free_context(&data->video_ctx);
-#else
-	avcodec_close(data->video->codec);
-#endif
 	av_frame_unref(data->vframe);
 
 	// This format for some reason derefs video frame
@@ -481,13 +477,8 @@ static void close_audio(struct ffmpeg_data *data)
 
 		if (data->samples[idx][0])
 			av_freep(&data->samples[idx][0]);
-		if (data->audio_infos[idx].ctx) {
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 48, 101)
+		if (data->audio_infos[idx].ctx)
 			avcodec_free_context(&data->audio_infos[idx].ctx);
-#else
-			avcodec_close(data->audio_infos[idx].stream->codec);
-#endif
-		}
 		if (data->aframe[idx])
 			av_frame_free(&data->aframe[idx]);
 	}

plugins/obs-ffmpeg/obs-ffmpeg-vaapi.c

@@ -329,7 +329,7 @@ static void vaapi_destroy(void *data)
 		flush_remaining_packets(enc);
 
 	av_packet_free(&enc->packet);
-	avcodec_close(enc->context);
+	avcodec_free_context(&enc->context);
 	av_frame_unref(enc->vframe);
 	av_frame_free(&enc->vframe);
 	av_buffer_unref(&enc->vaframes_ref);