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buffersink: introduce FIFO_INIT_ELEMENT_SIZE to complement FIFO_INIT_SIZE

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Use sizeof(void *) as its value, because AVFilterBufferRef is deprecated.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2015-08-16 17:57:36 +02:00
parent fbc8eb6857
commit d90fbde06a
1 changed files with 8 additions and 8 deletions
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16
libavfilter/buffersink.c
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@ -62,6 +62,8 @@ typedef struct BufferSinkContext {
} BufferSinkContext;
#define NB_ITEMS(list) (list ## _size / sizeof(*list))
#define FIFO_INIT_SIZE 8
#define FIFO_INIT_ELEMENT_SIZE sizeof(void *)
static av_cold void uninit(AVFilterContext *ctx)
{
@ -72,7 +74,7 @@ static av_cold void uninit(AVFilterContext *ctx)
av_audio_fifo_free(sink->audio_fifo);
if (sink->fifo) {
while (av_fifo_size(sink->fifo) >= sizeof(AVFilterBufferRef *)) {
while (av_fifo_size(sink->fifo) >= FIFO_INIT_ELEMENT_SIZE) {
av_fifo_generic_read(sink->fifo, &frame, sizeof(frame), NULL);
av_frame_free(&frame);
}
@ -84,7 +86,7 @@ static int add_buffer_ref(AVFilterContext *ctx, AVFrame *ref)
{
BufferSinkContext *buf = ctx->priv;
if (av_fifo_space(buf->fifo) < sizeof(AVFilterBufferRef *)) {
if (av_fifo_space(buf->fifo) < FIFO_INIT_ELEMENT_SIZE) {
/* realloc fifo size */
if (av_fifo_realloc2(buf->fifo, av_fifo_size(buf->fifo) * 2) < 0) {
av_log(ctx, AV_LOG_ERROR,
@ -95,7 +97,7 @@ static int add_buffer_ref(AVFilterContext *ctx, AVFrame *ref)
}
/* cache frame */
av_fifo_generic_write(buf->fifo, &ref, sizeof(AVFilterBufferRef *), NULL);
av_fifo_generic_write(buf->fifo, &ref, FIFO_INIT_ELEMENT_SIZE, NULL);
return 0;
}
@ -108,7 +110,7 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame)
if ((ret = add_buffer_ref(ctx, frame)) < 0)
return ret;
if (buf->warning_limit &&
av_fifo_size(buf->fifo) / sizeof(AVFilterBufferRef *) >= buf->warning_limit) {
av_fifo_size(buf->fifo) / FIFO_INIT_ELEMENT_SIZE >= buf->warning_limit) {
av_log(ctx, AV_LOG_WARNING,
"%d buffers queued in %s, something may be wrong.\n",
buf->warning_limit,
@ -242,13 +244,11 @@ AVABufferSinkParams *av_abuffersink_params_alloc(void)
return params;
}
#define FIFO_INIT_SIZE 8
static av_cold int common_init(AVFilterContext *ctx)
{
BufferSinkContext *buf = ctx->priv;
buf->fifo = av_fifo_alloc_array(FIFO_INIT_SIZE, sizeof(AVFilterBufferRef *));
buf->fifo = av_fifo_alloc_array(FIFO_INIT_SIZE, FIFO_INIT_ELEMENT_SIZE);
if (!buf->fifo) {
av_log(ctx, AV_LOG_ERROR, "Failed to allocate fifo\n");
return AVERROR(ENOMEM);
@ -373,7 +373,7 @@ int attribute_align_arg av_buffersink_poll_frame(AVFilterContext *ctx)
|| !strcmp(ctx->filter->name, "ffbuffersink")
|| !strcmp(ctx->filter->name, "ffabuffersink"));
return av_fifo_size(buf->fifo)/sizeof(AVFilterBufferRef *) + ff_poll_frame(inlink);
return av_fifo_size(buf->fifo)/FIFO_INIT_ELEMENT_SIZE + ff_poll_frame(inlink);
}
static av_cold int vsink_init(AVFilterContext *ctx, void *opaque)