static av_cold void uninit(AVFilterContext *ctx)
{
VolumeContext *vol = ctx->priv;
av_expr_free(vol->volume_pexpr);
av_opt_free(vol);
av_freep(&vol->fdsp);
}
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
{
if (avcodec_is_open(dest)) { // check that the dest context is uninitialized
av_log(dest, AV_LOG_ERROR,
"Tried to copy AVCodecContext %p into already-initialized %p\n",
src, dest);
return AVERROR(EINVAL);
}
av_opt_free(dest);
av_free(dest->priv_data);
memcpy(dest, src, sizeof(*dest));
/* set values specific to opened codecs back to their default state */
dest->priv_data = NULL;
dest->codec = NULL;
dest->slice_offset = NULL;
dest->hwaccel = NULL;
dest->internal = NULL;
/* reallocate values that should be allocated separately */
dest->rc_eq = NULL;
dest->extradata = NULL;
dest->intra_matrix = NULL;
dest->inter_matrix = NULL;
dest->rc_override = NULL;
if (src->rc_eq) {
dest->rc_eq = av_strdup(src->rc_eq);
if (!dest->rc_eq)
return AVERROR(ENOMEM);
}
#define alloc_and_copy_or_fail(obj, size, pad) \
if (src->obj && size > 0) { \
dest->obj = av_malloc(size + pad); \
if (!dest->obj) \
goto fail; \
memcpy(dest->obj, src->obj, size); \
if (pad) \
memset(((uint8_t *) dest->obj) + size, 0, pad); \
}
alloc_and_copy_or_fail(extradata, src->extradata_size,
FF_INPUT_BUFFER_PADDING_SIZE);
alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);
alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);
alloc_and_copy_or_fail(rc_override, src->rc_override_count * sizeof(*src->rc_override), 0);
alloc_and_copy_or_fail(subtitle_header, src->subtitle_header_size, 1);
#undef alloc_and_copy_or_fail
return 0;
fail:
av_freep(&dest->rc_override);
av_freep(&dest->intra_matrix);
av_freep(&dest->inter_matrix);
av_freep(&dest->extradata);
av_freep(&dest->rc_eq);
return AVERROR(ENOMEM);
}
void avfilter_free(AVFilterContext *filter)
{
int i;
if (filter->graph)
ff_filter_graph_remove_filter(filter->graph, filter);
if (filter->filter->uninit)
filter->filter->uninit(filter);
for (i = 0; i < filter->nb_inputs; i++) {
free_link(filter->inputs[i]);
}
for (i = 0; i < filter->nb_outputs; i++) {
free_link(filter->outputs[i]);
}
if (filter->filter->priv_class)
av_opt_free(filter->priv);
av_buffer_unref(&filter->hw_device_ctx);
av_freep(&filter->name);
av_freep(&filter->input_pads);
av_freep(&filter->output_pads);
av_freep(&filter->inputs);
av_freep(&filter->outputs);
av_freep(&filter->priv);
av_freep(&filter->internal);
av_free(filter);
}
void avresample_free(AVAudioResampleContext **avr)
{
if (!*avr)
return;
avresample_close(*avr);
av_opt_free(*avr);
av_freep(avr);
}
static av_cold void uninit(AVFilterContext *ctx)
{
InterlaceContext *s = ctx->priv;
av_frame_free(&s->cur);
av_frame_free(&s->next);
av_opt_free(s);
}
void bv_device_free_context(BVDeviceContext ** devctx)
{
if (!**devctx)
return;
BVDeviceContext *s = *devctx;
if (!s)
return;
av_opt_free(s);
if (s->device && s->device->priv_class && s->priv_data)
av_opt_free(s->priv_data);
av_freep(&s->priv_data);
av_free(s);
devctx = NULL;
return;
}
void avfilter_free(AVFilterContext *filter)
{
int i;
if (!filter)
return;
if (filter->graph)
ff_filter_graph_remove_filter(filter->graph, filter);
if (filter->filter->uninit)
filter->filter->uninit(filter);
for (i = 0; i < filter->nb_inputs; i++) {
free_link(filter->inputs[i]);
}
for (i = 0; i < filter->nb_outputs; i++) {
free_link(filter->outputs[i]);
}
if (filter->filter->priv_class)
av_opt_free(filter->priv);
av_buffer_unref(&filter->hw_device_ctx);
av_freep(&filter->name);
av_freep(&filter->input_pads);
av_freep(&filter->output_pads);
av_freep(&filter->inputs);
av_freep(&filter->outputs);
av_freep(&filter->priv);
while(filter->command_queue){
ff_command_queue_pop(filter);
}
av_opt_free(filter);
av_expr_free(filter->enable);
filter->enable = NULL;
av_freep(&filter->var_values);
av_freep(&filter->internal);
av_free(filter);
}
int ffurl_closep(URLContext **hh)
{
URLContext *h= *hh;
int ret = 0;
if (!h)
return 0; /* can happen when ffurl_open fails */
if (h->is_connected && h->prot->url_close)
ret = h->prot->url_close(h);
#if CONFIG_NETWORK
if (h->prot->flags & URL_PROTOCOL_FLAG_NETWORK)
ff_network_close();
#endif
if (h->prot->priv_data_size) {
if (h->prot->priv_data_class)
av_opt_free(h->priv_data);
av_freep(&h->priv_data);
}
av_opt_free(h);
av_freep(hh);
return ret;
}
static void
app_free(App *app)
{
if (!app)
return;
ffva_renderer_freep(&app->renderer);
va_destroy_surface(app->va_display, &app->filter_surface.id);
ffva_filter_freep(&app->filter);
ffva_decoder_freep(&app->decoder);
ffva_display_freep(&app->display);
av_opt_free(app);
free(app);
}
void av_bsf_free(AVBSFContext **pctx)
{
AVBSFContext *ctx;
if (!pctx || !*pctx)
return;
ctx = *pctx;
if (ctx->filter->close)
ctx->filter->close(ctx);
if (ctx->filter->priv_class && ctx->priv_data)
av_opt_free(ctx->priv_data);
av_opt_free(ctx);
av_packet_free(&ctx->internal->buffer_pkt);
av_freep(&ctx->internal);
av_freep(&ctx->priv_data);
avcodec_parameters_free(&ctx->par_in);
avcodec_parameters_free(&ctx->par_out);
av_freep(pctx);
}
int av_write_trailer(AVFormatContext *s)
{
int ret, i;
for (;; ) {
AVPacket pkt;
ret = interleave_packet(s, &pkt, NULL, 1);
if (ret < 0) //FIXME cleanup needed for ret<0 ?
goto fail;
if (!ret)
break;
ret = write_packet(s, &pkt);
if (ret >= 0)
s->streams[pkt.stream_index]->nb_frames++;
av_packet_unref(&pkt);
if (ret < 0)
goto fail;
}
if (s->oformat->write_trailer)
ret = s->oformat->write_trailer(s);
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_flush(s->pb);
fail:
for (i = 0; i < s->nb_streams; i++) {
av_freep(&s->streams[i]->priv_data);
av_freep(&s->streams[i]->index_entries);
}
if (s->oformat->priv_class)
av_opt_free(s->priv_data);
av_freep(&s->priv_data);
return ret;
}
static void copy_context_reset(AVCodecContext *avctx)
{
int i;
av_opt_free(avctx);
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
av_frame_free(&avctx->coded_frame);
FF_ENABLE_DEPRECATION_WARNINGS
#endif
av_freep(&avctx->rc_override);
av_freep(&avctx->intra_matrix);
av_freep(&avctx->inter_matrix);
av_freep(&avctx->extradata);
av_freep(&avctx->subtitle_header);
av_buffer_unref(&avctx->hw_frames_ctx);
av_buffer_unref(&avctx->hw_device_ctx);
for (i = 0; i < avctx->nb_coded_side_data; i++)
av_freep(&avctx->coded_side_data[i].data);
av_freep(&avctx->coded_side_data);
avctx->subtitle_header_size = 0;
avctx->nb_coded_side_data = 0;
avctx->extradata_size = 0;
}
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
{
const AVCodec *orig_codec = dest->codec;
uint8_t *orig_priv_data = dest->priv_data;
if (avcodec_is_open(dest)) { // check that the dest context is uninitialized
av_log(dest, AV_LOG_ERROR,
"Tried to copy AVCodecContext %p into already-initialized %p\n",
src, dest);
return AVERROR(EINVAL);
}
av_opt_free(dest);
av_freep(&dest->rc_override);
av_freep(&dest->intra_matrix);
av_freep(&dest->inter_matrix);
av_freep(&dest->extradata);
av_freep(&dest->subtitle_header);
memcpy(dest, src, sizeof(*dest));
av_opt_copy(dest, src);
dest->priv_data = orig_priv_data;
dest->codec = orig_codec;
if (orig_priv_data && src->codec && src->codec->priv_class &&
dest->codec && dest->codec->priv_class)
av_opt_copy(orig_priv_data, src->priv_data);
/* set values specific to opened codecs back to their default state */
dest->slice_offset = NULL;
dest->hwaccel = NULL;
dest->internal = NULL;
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
dest->coded_frame = NULL;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
/* reallocate values that should be allocated separately */
dest->extradata = NULL;
dest->intra_matrix = NULL;
dest->inter_matrix = NULL;
dest->rc_override = NULL;
dest->subtitle_header = NULL;
dest->hw_frames_ctx = NULL;
#define alloc_and_copy_or_fail(obj, size, pad) \
if (src->obj && size > 0) { \
dest->obj = av_malloc(size + pad); \
if (!dest->obj) \
goto fail; \
memcpy(dest->obj, src->obj, size); \
if (pad) \
memset(((uint8_t *) dest->obj) + size, 0, pad); \
}
alloc_and_copy_or_fail(extradata, src->extradata_size,
AV_INPUT_BUFFER_PADDING_SIZE);
dest->extradata_size = src->extradata_size;
alloc_and_copy_or_fail(intra_matrix, 64 * sizeof(int16_t), 0);
alloc_and_copy_or_fail(inter_matrix, 64 * sizeof(int16_t), 0);
alloc_and_copy_or_fail(rc_override, src->rc_override_count * sizeof(*src->rc_override), 0);
alloc_and_copy_or_fail(subtitle_header, src->subtitle_header_size, 1);
av_assert0(dest->subtitle_header_size == src->subtitle_header_size);
#undef alloc_and_copy_or_fail
if (src->hw_frames_ctx) {
dest->hw_frames_ctx = av_buffer_ref(src->hw_frames_ctx);
if (!dest->hw_frames_ctx)
goto fail;
}
return 0;
fail:
av_freep(&dest->subtitle_header);
av_freep(&dest->rc_override);
av_freep(&dest->intra_matrix);
av_freep(&dest->inter_matrix);
av_freep(&dest->extradata);
av_buffer_unref(&dest->hw_frames_ctx);
dest->subtitle_header_size = 0;
dest->extradata_size = 0;
av_opt_free(dest);
return AVERROR(ENOMEM);
}