#include "libavutil/samplefmt.h"
#include "libavutil/dict.h"
#include "avcodec.h"
-#include "dsputil.h"
#include "libavutil/opt.h"
+#include "me_cmp.h"
+#include "mpegvideo.h"
#include "thread.h"
#include "internal.h"
#include "bytestream.h"
static void *codec_mutex;
static void *avformat_mutex;
-#if FF_API_FAST_MALLOC && CONFIG_SHARED && HAVE_SYMVER
-FF_SYMVER(void*, av_fast_realloc, (void *ptr, unsigned int *size, size_t min_size), "LIBAVCODEC_55")
-{
- return av_fast_realloc(ptr, size, min_size);
-}
-
-FF_SYMVER(void, av_fast_malloc, (void *ptr, unsigned int *size, size_t min_size), "LIBAVCODEC_55")
-{
- av_fast_malloc(ptr, size, min_size);
-}
-#endif
-
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
{
void **p = ptr;
return;
initialized = 1;
- if (CONFIG_DSPUTIL)
- ff_dsputil_static_init();
+ if (CONFIG_ME_CMP)
+ ff_me_cmp_init_static();
}
int av_codec_is_encoder(const AVCodec *codec)
AVCodec **p;
avcodec_init();
p = &first_avcodec;
- while (*p != NULL)
+ while (*p)
p = &(*p)->next;
*p = codec;
codec->next = NULL;
return ret;
}
+int ff_set_sar(AVCodecContext *avctx, AVRational sar)
+{
+ int ret = av_image_check_sar(avctx->width, avctx->height, sar);
+
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %d/%d\n",
+ sar.num, sar.den);
+ avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
+ return ret;
+ } else {
+ avctx->sample_aspect_ratio = sar;
+ }
+ return 0;
+}
+
int ff_side_data_update_matrix_encoding(AVFrame *frame,
enum AVMatrixEncoding matrix_encoding)
{
return 0;
}
-#if HAVE_NEON || ARCH_PPC || HAVE_MMX
+#if HAVE_SIMD_ALIGN_16
# define STRIDE_ALIGN 16
#else
# define STRIDE_ALIGN 8
switch (s->pix_fmt) {
case AV_PIX_FMT_YUV420P:
case AV_PIX_FMT_YUYV422:
+ case AV_PIX_FMT_YVYU422:
case AV_PIX_FMT_UYVY422:
case AV_PIX_FMT_YUV422P:
case AV_PIX_FMT_YUV440P:
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_GBRP:
+ case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GRAY8:
case AV_PIX_FMT_GRAY16BE:
case AV_PIX_FMT_GRAY16LE:
avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
- if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
- w += EDGE_WIDTH * 2;
- h += EDGE_WIDTH * 2;
- }
-
do {
// NOTE: do not align linesizes individually, this breaks e.g. assumptions
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
{
FramePool *pool = s->internal->pool;
- const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
- int pixel_size = desc->comp[0].step_minus1 + 1;
- int h_chroma_shift, v_chroma_shift;
int i;
- if (pic->data[0] != NULL) {
+ if (pic->data[0]) {
av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
return -1;
}
memset(pic->data, 0, sizeof(pic->data));
pic->extended_data = pic->data;
- av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
-
for (i = 0; i < 4 && pool->pools[i]; i++) {
- const int h_shift = i == 0 ? 0 : h_chroma_shift;
- const int v_shift = i == 0 ? 0 : v_chroma_shift;
-
pic->linesize[i] = pool->linesize[i];
pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
if (!pic->buf[i])
goto fail;
- // no edge if EDGE EMU or not planar YUV
- if ((s->flags & CODEC_FLAG_EMU_EDGE) || !pool->pools[2])
- pic->data[i] = pic->buf[i]->data;
- else {
- pic->data[i] = pic->buf[i]->data +
- FFALIGN((pic->linesize[i] * EDGE_WIDTH >> v_shift) +
- (pixel_size * EDGE_WIDTH >> h_shift), pool->stride_align[i]);
- }
+ pic->data[i] = pic->buf[i]->data;
}
for (; i < AV_NUM_DATA_POINTERS; i++) {
pic->data[i] = NULL;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
+int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
+{
+ AVPacket *pkt = avctx->internal->pkt;
+ int i;
+ struct {
+ enum AVPacketSideDataType packet;
+ enum AVFrameSideDataType frame;
+ } sd[] = {
+ { AV_PKT_DATA_REPLAYGAIN , AV_FRAME_DATA_REPLAYGAIN },
+ { AV_PKT_DATA_DISPLAYMATRIX, AV_FRAME_DATA_DISPLAYMATRIX },
+ { AV_PKT_DATA_STEREO3D, AV_FRAME_DATA_STEREO3D },
+ { AV_PKT_DATA_AUDIO_SERVICE_TYPE, AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
+ };
+
+ frame->color_primaries = avctx->color_primaries;
+ frame->color_trc = avctx->color_trc;
+ frame->colorspace = avctx->colorspace;
+ frame->color_range = avctx->color_range;
+ frame->chroma_location = avctx->chroma_sample_location;
+
+ frame->reordered_opaque = avctx->reordered_opaque;
+ if (!pkt) {
+ frame->pkt_pts = AV_NOPTS_VALUE;
+ return 0;
+ }
+
+ frame->pkt_pts = pkt->pts;
+
+ for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
+ int size;
+ uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
+ if (packet_sd) {
+ AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
+ sd[i].frame,
+ size);
+ if (!frame_sd)
+ return AVERROR(ENOMEM);
+
+ memcpy(frame_sd->data, packet_sd, size);
+ }
+ }
+
+ return 0;
+}
+
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
{
+ const AVHWAccel *hwaccel = avctx->hwaccel;
int override_dimensions = 1;
int ret;
if (!frame->sample_aspect_ratio.num)
frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
+ if (av_image_check_sar(frame->width, frame->height,
+ frame->sample_aspect_ratio) < 0) {
+ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
+ frame->sample_aspect_ratio.num,
+ frame->sample_aspect_ratio.den);
+ frame->sample_aspect_ratio = (AVRational){ 0, 1 };
+ }
+
if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
return ret;
break;
default: return AVERROR(EINVAL);
}
- frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
- frame->reordered_opaque = avctx->reordered_opaque;
+ ret = ff_decode_frame_props(avctx, frame);
+ if (ret < 0)
+ return ret;
+
+ if (hwaccel) {
+ if (hwaccel->alloc_frame) {
+ ret = hwaccel->alloc_frame(avctx, frame);
+ goto end;
+ }
+ } else
+ avctx->sw_pix_fmt = avctx->pix_fmt;
#if FF_API_GET_BUFFER
FF_DISABLE_DEPRECATION_WARNINGS
ref_out = av_buffer_create(data, data_size, compat_release_buffer, \
dummy_ref, 0); \
if (!ref_out) { \
+ av_buffer_unref(&dummy_ref); \
av_frame_unref(frame); \
ret = AVERROR(ENOMEM); \
goto fail; \
ret = avctx->get_buffer2(avctx, frame, flags);
+end:
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
frame->width = avctx->width;
frame->height = avctx->height;
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
{
- AVFrame tmp;
+ AVFrame *tmp;
int ret;
av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
if (av_frame_is_writable(frame))
- return 0;
+ return ff_decode_frame_props(avctx, frame);
+
+ tmp = av_frame_alloc();
+ if (!tmp)
+ return AVERROR(ENOMEM);
- av_frame_move_ref(&tmp, frame);
+ av_frame_move_ref(tmp, frame);
ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
if (ret < 0) {
- av_frame_unref(&tmp);
+ av_frame_free(&tmp);
return ret;
}
- av_image_copy(frame->data, frame->linesize, tmp.data, tmp.linesize,
- frame->format, frame->width, frame->height);
-
- av_frame_unref(&tmp);
+ av_frame_copy(frame, tmp);
+ av_frame_free(&tmp);
return 0;
}
return fmt[0];
}
+static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
+ enum AVPixelFormat pix_fmt)
+{
+ AVHWAccel *hwaccel = NULL;
+
+ while ((hwaccel = av_hwaccel_next(hwaccel)))
+ if (hwaccel->id == codec_id
+ && hwaccel->pix_fmt == pix_fmt)
+ return hwaccel;
+ return NULL;
+}
+
+static int setup_hwaccel(AVCodecContext *avctx,
+ const enum AVPixelFormat fmt,
+ const char *name)
+{
+ AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
+ int ret = 0;
+
+ if (!hwa) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Could not find an AVHWAccel for the pixel format: %s",
+ name);
+ return AVERROR(ENOENT);
+ }
+
+ if (hwa->priv_data_size) {
+ avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
+ if (!avctx->internal->hwaccel_priv_data)
+ return AVERROR(ENOMEM);
+ }
+
+ if (hwa->init) {
+ ret = hwa->init(avctx);
+ if (ret < 0) {
+ av_freep(&avctx->internal->hwaccel_priv_data);
+ return ret;
+ }
+ }
+
+ avctx->hwaccel = hwa;
+
+ return 0;
+}
+
+int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
+{
+ const AVPixFmtDescriptor *desc;
+ enum AVPixelFormat *choices;
+ enum AVPixelFormat ret;
+ unsigned n = 0;
+
+ while (fmt[n] != AV_PIX_FMT_NONE)
+ ++n;
+
+ av_assert0(n >= 1);
+ avctx->sw_pix_fmt = fmt[n - 1];
+ av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
+
+ choices = av_malloc_array(n + 1, sizeof(*choices));
+ if (!choices)
+ return AV_PIX_FMT_NONE;
+
+ memcpy(choices, fmt, (n + 1) * sizeof(*choices));
+
+ for (;;) {
+ if (avctx->hwaccel && avctx->hwaccel->uninit)
+ avctx->hwaccel->uninit(avctx);
+ av_freep(&avctx->internal->hwaccel_priv_data);
+ avctx->hwaccel = NULL;
+
+ ret = avctx->get_format(avctx, choices);
+
+ desc = av_pix_fmt_desc_get(ret);
+ if (!desc) {
+ ret = AV_PIX_FMT_NONE;
+ break;
+ }
+
+ if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
+ break;
+
+ if (!setup_hwaccel(avctx, ret, desc->name))
+ break;
+
+ /* Remove failed hwaccel from choices */
+ for (n = 0; choices[n] != ret; n++)
+ av_assert0(choices[n] != AV_PIX_FMT_NONE);
+
+ do
+ choices[n] = choices[n + 1];
+ while (choices[n++] != AV_PIX_FMT_NONE);
+ }
+
+ av_freep(&choices);
+ return ret;
+}
+
#if FF_API_AVFRAME_LAVC
void avcodec_get_frame_defaults(AVFrame *frame)
{
{
AVFrame *frame = av_mallocz(sizeof(AVFrame));
- if (frame == NULL)
+ if (!frame)
return NULL;
+FF_DISABLE_DEPRECATION_WARNINGS
avcodec_get_frame_defaults(frame);
+FF_ENABLE_DEPRECATION_WARNINGS
return frame;
}
}
entangled_thread_counter++;
- if (entangled_thread_counter != 1) {
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
+ if (entangled_thread_counter != 1 &&
+ !(codec->caps_internal & FF_CODEC_CAP_INIT_THREADSAFE)) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Insufficient thread locking. At least %d threads are "
+ "calling avcodec_open2() at the same time right now.\n",
+ entangled_thread_counter);
ret = -1;
goto end;
}
ff_set_dimensions(avctx, 0, 0);
}
+ if (avctx->width > 0 && avctx->height > 0) {
+ if (av_image_check_sar(avctx->width, avctx->height,
+ avctx->sample_aspect_ratio) < 0) {
+ av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
+ avctx->sample_aspect_ratio.num,
+ avctx->sample_aspect_ratio.den);
+ avctx->sample_aspect_ratio = (AVRational){ 0, 1 };
+ }
+ }
+
/* if the decoder init function was already called previously,
* free the already allocated subtitle_header before overwriting it */
if (av_codec_is_decoder(codec))
if (av_codec_is_encoder(avctx->codec)) {
int i;
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame) {
+ ret = AVERROR(ENOMEM);
+ goto free_and_end;
+ }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
if (avctx->codec->sample_fmts) {
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
ret = AVERROR(EINVAL);
goto free_and_end;
}
+ if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ420P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ422P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ440P ||
+ avctx->codec->pix_fmts[i] == AV_PIX_FMT_YUVJ444P)
+ avctx->color_range = AVCOL_RANGE_JPEG;
}
if (avctx->codec->supported_samplerates) {
for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
}
}
+#if FF_API_AUDIOENC_DELAY
+ if (av_codec_is_encoder(avctx->codec))
+ avctx->delay = avctx->initial_padding;
+#endif
+
if (av_codec_is_decoder(avctx->codec)) {
/* validate channel layout from the decoder */
if (avctx->channel_layout) {
goto free_and_end;
}
-#if FF_API_EMU_EDGE
- /* force the emu edge flag on, since it's now always active */
- avctx->flags |= CODEC_FLAG_EMU_EDGE;
+#if FF_API_AVCTX_TIMEBASE
+ if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
+ avctx->time_base = av_inv_q(avctx->framerate);
#endif
}
end:
return ret;
free_and_end:
+ if (avctx->codec &&
+ (avctx->codec->caps_internal & FF_CODEC_CAP_INIT_CLEANUP))
+ avctx->codec->close(avctx);
+
+ if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
+ av_opt_free(avctx->priv_data);
+ 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_dict_free(&tmp);
av_freep(&avctx->priv_data);
if (avctx->internal) {
frame = &tmp;
}
+ /* extract audio service type metadata */
+ if (frame) {
+ AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
+ if (sd && sd->size >= sizeof(enum AVAudioServiceType))
+ avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
+ }
+
/* check for valid frame size */
if (frame) {
if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
end:
av_frame_free(&padded_frame);
+#if FF_API_AUDIOENC_DELAY
+ avctx->delay = avctx->initial_padding;
+#endif
+
return ret;
}
} else
ret = 0;
+#if FF_API_AVCTX_TIMEBASE
+ if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
+ avctx->time_base = av_inv_q(avctx->framerate);
+#endif
+
return ret;
}
av_cold int avcodec_close(AVCodecContext *avctx)
{
- /* If there is a user-supplied mutex locking routine, call it. */
- if (lockmgr_cb) {
- if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
- return -1;
- }
-
- entangled_thread_counter++;
- if (entangled_thread_counter != 1) {
- av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
- entangled_thread_counter--;
- return -1;
- }
-
if (avcodec_is_open(avctx)) {
FramePool *pool = avctx->internal->pool;
int i;
ff_thread_free(avctx);
if (avctx->codec && avctx->codec->close)
avctx->codec->close(avctx);
- avctx->coded_frame = NULL;
av_frame_free(&avctx->internal->to_free);
for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
av_buffer_pool_uninit(&pool->pools[i]);
av_freep(&avctx->internal->pool);
+
+ if (avctx->hwaccel && avctx->hwaccel->uninit)
+ avctx->hwaccel->uninit(avctx);
+ av_freep(&avctx->internal->hwaccel_priv_data);
+
av_freep(&avctx->internal);
}
av_opt_free(avctx->priv_data);
av_opt_free(avctx);
av_freep(&avctx->priv_data);
- if (av_codec_is_encoder(avctx->codec))
+ if (av_codec_is_encoder(avctx->codec)) {
av_freep(&avctx->extradata);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+ av_frame_free(&avctx->coded_frame);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+ }
avctx->codec = NULL;
avctx->active_thread_type = 0;
- entangled_thread_counter--;
- /* Release any user-supplied mutex. */
- if (lockmgr_cb) {
- (*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
- }
return 0;
}
const AVCodec *p;
char buf1[32];
int bitrate;
+ int new_line = 0;
AVRational display_aspect_ratio;
if (enc->codec)
/* fake mpeg2 transport stream codec (currently not
* registered) */
codec_name = "mpeg2ts";
- } else if (enc->codec_name[0] != '\0') {
- codec_name = enc->codec_name;
} else {
/* output avi tags */
char tag_buf[32];
if (profile)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" (%s)", profile);
- if (enc->pix_fmt != AV_PIX_FMT_NONE) {
+ if (enc->codec_tag) {
+ char tag_buf[32];
+ av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %s",
+ " [%s / 0x%04X]", tag_buf, enc->codec_tag);
+ }
+
+ av_strlcat(buf, "\n ", buf_size);
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ "%s", enc->pix_fmt == AV_PIX_FMT_NONE ? "none" :
av_get_pix_fmt_name(enc->pix_fmt));
+
+ if (enc->color_range != AVCOL_RANGE_UNSPECIFIED)
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s",
+ av_color_range_name(enc->color_range));
+ if (enc->colorspace != AVCOL_SPC_UNSPECIFIED ||
+ enc->color_primaries != AVCOL_PRI_UNSPECIFIED ||
+ enc->color_trc != AVCOL_TRC_UNSPECIFIED) {
+ new_line = 1;
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s/%s/%s",
+ av_color_space_name(enc->colorspace),
+ av_color_primaries_name(enc->color_primaries),
+ av_color_transfer_name(enc->color_trc));
}
+ if (av_log_get_level() >= AV_LOG_DEBUG &&
+ enc->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
+ snprintf(buf + strlen(buf), buf_size - strlen(buf), ", %s",
+ av_chroma_location_name(enc->chroma_sample_location));
+
if (enc->width) {
+ av_strlcat(buf, new_line ? "\n " : ", ", buf_size);
+
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %dx%d",
+ "%dx%d",
enc->width, enc->height);
+
+ if (av_log_get_level() >= AV_LOG_VERBOSE &&
+ (enc->width != enc->coded_width ||
+ enc->height != enc->coded_height))
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ " (%dx%d)", enc->coded_width, enc->coded_height);
+
if (enc->sample_aspect_ratio.num) {
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
enc->width * enc->sample_aspect_ratio.num,
if (profile)
snprintf(buf + strlen(buf), buf_size - strlen(buf),
" (%s)", profile);
+ if (enc->codec_tag) {
+ char tag_buf[32];
+ av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
+ snprintf(buf + strlen(buf), buf_size - strlen(buf),
+ " [%s / 0x%04X]", tag_buf, enc->codec_tag);
+ }
+
+ av_strlcat(buf, "\n ", buf_size);
if (enc->sample_rate) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
- ", %d Hz", enc->sample_rate);
+ "%d Hz, ", enc->sample_rate);
}
- av_strlcat(buf, ", ", buf_size);
av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
snprintf(buf + strlen(buf), buf_size - strlen(buf),
case AV_CODEC_ID_PCM_ZORK:
return 8;
case AV_CODEC_ID_PCM_S16BE:
+ case AV_CODEC_ID_PCM_S16BE_PLANAR:
case AV_CODEC_ID_PCM_S16LE:
case AV_CODEC_ID_PCM_S16LE_PLANAR:
case AV_CODEC_ID_PCM_U16BE:
hwaccel->next = NULL;
}
-AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
+AVHWAccel *av_hwaccel_next(const AVHWAccel *hwaccel)
{
return hwaccel ? hwaccel->next : first_hwaccel;
}
-AVHWAccel *ff_find_hwaccel(AVCodecContext *avctx)
-{
- enum AVCodecID codec_id = avctx->codec->id;
- enum AVPixelFormat pix_fmt = avctx->pix_fmt;
-
- AVHWAccel *hwaccel = NULL;
-
- while ((hwaccel = av_hwaccel_next(hwaccel)))
- if (hwaccel->id == codec_id
- && hwaccel->pix_fmt == pix_fmt)
- return hwaccel;
- return NULL;
-}
-
int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
{
if (lockmgr_cb) {
- if (lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
- return -1;
- if (lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
- return -1;
+ // There is no good way to rollback a failure to destroy the
+ // mutex, so we ignore failures.
+ lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY);
+ lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY);
+ lockmgr_cb = NULL;
+ codec_mutex = NULL;
+ avformat_mutex = NULL;
+ }
+
+ if (cb) {
+ void *new_codec_mutex = NULL;
+ void *new_avformat_mutex = NULL;
+ int err;
+ if (err = cb(&new_codec_mutex, AV_LOCK_CREATE)) {
+ return err > 0 ? AVERROR_UNKNOWN : err;
+ }
+ if (err = cb(&new_avformat_mutex, AV_LOCK_CREATE)) {
+ // Ignore failures to destroy the newly created mutex.
+ cb(&new_codec_mutex, AV_LOCK_DESTROY);
+ return err > 0 ? AVERROR_UNKNOWN : err;
+ }
+ lockmgr_cb = cb;
+ codec_mutex = new_codec_mutex;
+ avformat_mutex = new_avformat_mutex;
}
- lockmgr_cb = cb;
-
- if (lockmgr_cb) {
- if (lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
- return -1;
- if (lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
- return -1;
- }
return 0;
}
void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
{
- av_frame_unref(f->f);
+ if (f->f)
+ av_frame_unref(f->f);
}
void ff_thread_finish_setup(AVCodecContext *avctx)