#include <inttypes.h>
#include <math.h>
#include <limits.h>
+#include <stdint.h>
+
#include "libavutil/avstring.h"
#include "libavutil/colorspace.h"
+#include "libavutil/display.h"
#include "libavutil/mathematics.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#if CONFIG_AVFILTER
# include "libavfilter/avfilter.h"
-# include "libavfilter/avfiltergraph.h"
# include "libavfilter/buffersink.h"
# include "libavfilter/buffersrc.h"
#endif
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
#define SAMPLE_ARRAY_SIZE (2 * 65536)
-static int sws_flags = SWS_BICUBIC;
+static int64_t sws_flags = SWS_BICUBIC;
typedef struct PacketQueue {
AVPacketList *first_pkt, *last_pkt;
#define SUBPICTURE_QUEUE_SIZE 4
typedef struct VideoPicture {
- double pts; ///< presentation time stamp for this picture
- double target_clock; ///< av_gettime() time at which this should be displayed ideally
- int64_t pos; ///< byte position in file
+ double pts; // presentation timestamp for this picture
+ double target_clock; // av_gettime_relative() time at which this should be displayed ideally
+ int64_t pos; // byte position in file
SDL_Overlay *bmp;
int width, height; /* source height & width */
int allocated;
int reallocate;
- enum PixelFormat pix_fmt;
+ enum AVPixelFormat pix_fmt;
-#if CONFIG_AVFILTER
- AVFilterBufferRef *picref;
-#endif
+ AVRational sar;
} VideoPicture;
typedef struct SubPicture {
enum AVSampleFormat sdl_sample_fmt;
uint64_t sdl_channel_layout;
int sdl_channels;
+ int sdl_sample_rate;
enum AVSampleFormat resample_sample_fmt;
uint64_t resample_channel_layout;
+ int resample_sample_rate;
AVAudioResampleContext *avr;
AVFrame *frame;
double frame_timer;
double frame_last_pts;
double frame_last_delay;
- double video_clock; ///< pts of last decoded frame / predicted pts of next decoded frame
+ double video_clock; // pts of last decoded frame / predicted pts of next decoded frame
int video_stream;
AVStream *video_st;
PacketQueue videoq;
- double video_current_pts; ///< current displayed pts (different from video_clock if frame fifos are used)
- double video_current_pts_drift; ///< video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
- int64_t video_current_pos; ///< current displayed file pos
+ double video_current_pts; // current displayed pts (different from video_clock if frame fifos are used)
+ double video_current_pts_drift; // video_current_pts - time (av_gettime_relative) at which we updated video_current_pts - used to have running video pts
+ int64_t video_current_pos; // current displayed file pos
VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
int pictq_size, pictq_rindex, pictq_windex;
SDL_mutex *pictq_mutex;
PtsCorrectionContext pts_ctx;
#if CONFIG_AVFILTER
- AVFilterContext *in_video_filter; ///< the first filter in the video chain
- AVFilterContext *out_video_filter; ///< the last filter in the video chain
- int use_dr1;
- FrameBuffer *buffer_pool;
+ AVFilterContext *in_video_filter; // the first filter in the video chain
+ AVFilterContext *out_video_filter; // the last filter in the video chain
#endif
float skip_frames;
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
static int64_t start_time = AV_NOPTS_VALUE;
static int64_t duration = AV_NOPTS_VALUE;
-static int debug = 0;
-static int debug_mv = 0;
static int step = 0;
static int workaround_bugs = 1;
static int fast = 0;
static enum AVDiscard skip_loop_filter = AVDISCARD_DEFAULT;
static int error_concealment = 3;
static int decoder_reorder_pts = -1;
-static int autoexit;
+static int noautoexit;
static int exit_on_keydown;
static int exit_on_mousedown;
static int loop = 1;
#if CONFIG_AVFILTER
static char *vfilters = NULL;
#endif
+static int autorotate = 1;
/* current context */
static int is_full_screen;
static SDL_Surface *screen;
-void exit_program(int ret)
-{
- exit(ret);
-}
-
static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
/* packet queue handling */
SDL_LockMutex(q->mutex);
for (pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
pkt1 = pkt->next;
- av_free_packet(&pkt->pkt);
+ av_packet_unref(&pkt->pkt);
av_freep(&pkt);
}
q->last_pkt = NULL;
{
AVPacketList *pkt1;
- /* duplicate the packet */
- if (pkt != &flush_pkt && av_dup_packet(pkt) < 0)
- return -1;
-
pkt1 = av_malloc(sizeof(AVPacketList));
if (!pkt1)
return -1;
#define BPP 1
-static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
+static void blend_subrect(uint8_t *dst[4], uint16_t dst_linesize[4],
+ const AVSubtitleRect *rect, int imgw, int imgh)
{
int wrap, wrap3, width2, skip2;
int y, u, v, a, u1, v1, a1, w, h;
dsth = av_clip(rect->h, 0, imgh);
dstx = av_clip(rect->x, 0, imgw - dstw);
dsty = av_clip(rect->y, 0, imgh - dsth);
- lum = dst->data[0] + dsty * dst->linesize[0];
- cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
- cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
+ /* sdl has U and V inverted */
+ lum = dst[0] + dsty * dst_linesize[0];
+ cb = dst[2] + (dsty >> 1) * dst_linesize[2];
+ cr = dst[1] + (dsty >> 1) * dst_linesize[1];
width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
skip2 = dstx >> 1;
- wrap = dst->linesize[0];
- wrap3 = rect->pict.linesize[0];
- p = rect->pict.data[0];
- pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
+ wrap = dst_linesize[0];
+ wrap3 = rect->linesize[0];
+ p = rect->data[0];
+ pal = (const uint32_t *)rect->data[1]; /* Now in YCrCb! */
if (dsty & 1) {
lum += dstx;
}
p += wrap3 - dstw * BPP;
lum += wrap - dstw - dstx;
- cb += dst->linesize[1] - width2 - skip2;
- cr += dst->linesize[2] - width2 - skip2;
+ cb += dst_linesize[2] - width2 - skip2;
+ cr += dst_linesize[1] - width2 - skip2;
}
for (h = dsth - (dsty & 1); h >= 2; h -= 2) {
lum += dstx;
}
p += wrap3 + (wrap3 - dstw * BPP);
lum += wrap + (wrap - dstw - dstx);
- cb += dst->linesize[1] - width2 - skip2;
- cr += dst->linesize[2] - width2 - skip2;
+ cb += dst_linesize[2] - width2 - skip2;
+ cr += dst_linesize[1] - width2 - skip2;
}
/* handle odd height */
if (h) {
{
VideoPicture *vp;
SubPicture *sp;
- AVPicture pict;
float aspect_ratio;
int width, height, x, y;
SDL_Rect rect;
vp = &is->pictq[is->pictq_rindex];
if (vp->bmp) {
#if CONFIG_AVFILTER
- if (vp->picref->video->pixel_aspect.num == 0)
+ if (!vp->sar.num)
aspect_ratio = 0;
else
- aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
+ aspect_ratio = av_q2d(vp->sar);
#else
/* XXX: use variable in the frame */
{
SDL_LockYUVOverlay (vp->bmp);
- pict.data[0] = vp->bmp->pixels[0];
- pict.data[1] = vp->bmp->pixels[2];
- pict.data[2] = vp->bmp->pixels[1];
-
- pict.linesize[0] = vp->bmp->pitches[0];
- pict.linesize[1] = vp->bmp->pitches[2];
- pict.linesize[2] = vp->bmp->pitches[1];
-
for (i = 0; i < sp->sub.num_rects; i++)
- blend_subrect(&pict, sp->sub.rects[i],
- vp->bmp->w, vp->bmp->h);
+ blend_subrect(vp->bmp->pixels, vp->bmp->pitches,
+ sp->sub.rects[i], vp->bmp->w, vp->bmp->h);
SDL_UnlockYUVOverlay (vp->bmp);
}
/* to be more precise, we take into account the time spent since
the last buffer computation */
if (audio_callback_time) {
- time_diff = av_gettime() - audio_callback_time;
- delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
+ time_diff = av_gettime_relative() - audio_callback_time;
+ delay -= (time_diff * s->sdl_sample_rate) / 1000000;
}
delay += 2 * data_used;
}
av_rdft_calc(s->rdft, data[ch]);
}
- // least efficient way to do this, we should of course directly access it but its more than fast enough
+ /* Least efficient way to do this, we should of course
+ * directly access it but it is more than fast enough. */
for (y = 0; y < s->height; y++) {
double w = 1 / sqrt(nb_freq);
int a = sqrt(w * sqrt(data[0][2 * y + 0] * data[0][2 * y + 0] + data[0][2 * y + 1] * data[0][2 * y + 1]));
hw_buf_size = audio_write_get_buf_size(is);
bytes_per_sec = 0;
if (is->audio_st) {
- bytes_per_sec = is->audio_st->codec->sample_rate * is->sdl_channels *
+ bytes_per_sec = is->sdl_sample_rate * is->sdl_channels *
av_get_bytes_per_sample(is->sdl_sample_fmt);
}
if (bytes_per_sec)
if (is->paused) {
return is->video_current_pts;
} else {
- return is->video_current_pts_drift + av_gettime() / 1000000.0;
+ return is->video_current_pts_drift + av_gettime_relative() / 1000000.0;
}
}
static double get_external_clock(VideoState *is)
{
int64_t ti;
- ti = av_gettime();
+ ti = av_gettime_relative();
return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
}
static void stream_pause(VideoState *is)
{
if (is->paused) {
- is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
+ is->frame_timer += av_gettime_relative() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
if (is->read_pause_return != AVERROR(ENOSYS)) {
- is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
+ is->video_current_pts = is->video_current_pts_drift + av_gettime_relative() / 1000000.0;
}
- is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
+ is->video_current_pts_drift = is->video_current_pts - av_gettime_relative() / 1000000.0;
}
is->paused = !is->paused;
}
static double compute_target_time(double frame_current_pts, VideoState *is)
{
- double delay, sync_threshold, diff;
+ double delay, sync_threshold, diff = 0;
/* compute nominal delay */
delay = frame_current_pts - is->frame_last_pts;
}
is->frame_timer += delay;
- av_dlog(NULL, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
+ av_log(NULL, AV_LOG_TRACE, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
delay, frame_current_pts, -diff);
return is->frame_timer;
if (is->pictq_size == 0) {
// nothing to do, no picture to display in the que
} else {
- double time = av_gettime() / 1000000.0;
+ double time = av_gettime_relative() / 1000000.0;
double next_target;
/* dequeue the picture */
vp = &is->pictq[is->pictq_rindex];
int aqsize, vqsize, sqsize;
double av_diff;
- cur_time = av_gettime();
+ cur_time = av_gettime_relative();
if (!last_time || (cur_time - last_time) >= 30000) {
aqsize = 0;
vqsize = 0;
/* free all pictures */
for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
vp = &is->pictq[i];
-#if CONFIG_AVFILTER
- avfilter_unref_bufferp(&vp->picref);
-#endif
if (vp->bmp) {
SDL_FreeYUVOverlay(vp->bmp);
vp->bmp = NULL;
cur_stream = NULL;
}
uninit_opts();
-#if CONFIG_AVFILTER
- avfilter_uninit();
-#endif
avformat_network_deinit();
if (show_status)
printf("\n");
SDL_FreeYUVOverlay(vp->bmp);
#if CONFIG_AVFILTER
- avfilter_unref_bufferp(&vp->picref);
-
vp->width = is->out_video_filter->inputs[0]->w;
vp->height = is->out_video_filter->inputs[0]->h;
vp->pix_fmt = is->out_video_filter->inputs[0]->format;
SDL_UnlockMutex(is->pictq_mutex);
}
-/**
- *
- * @param pts the dts of the pkt / pts of the frame and guessed if not known
- */
+/* The 'pts' parameter is the dts of the packet / pts of the frame and
+ * guessed if not known. */
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
{
VideoPicture *vp;
-#if CONFIG_AVFILTER
- AVPicture pict_src;
-#else
- int dst_pix_fmt = PIX_FMT_YUV420P;
+#if !CONFIG_AVFILTER
+ int dst_pix_fmt = AV_PIX_FMT_YUV420P;
#endif
/* wait until we have space to put a new picture */
SDL_LockMutex(is->pictq_mutex);
vp = &is->pictq[is->pictq_windex];
+ vp->sar = src_frame->sample_aspect_ratio;
+
/* alloc or resize hardware picture buffer */
if (!vp->bmp || vp->reallocate ||
#if CONFIG_AVFILTER
/* if the frame is not skipped, then display it */
if (vp->bmp) {
- AVPicture pict = { { 0 } };
-#if CONFIG_AVFILTER
- avfilter_unref_bufferp(&vp->picref);
- vp->picref = src_frame->opaque;
-#endif
+ uint8_t *data[4];
+ int linesize[4];
/* get a pointer on the bitmap */
SDL_LockYUVOverlay (vp->bmp);
- pict.data[0] = vp->bmp->pixels[0];
- pict.data[1] = vp->bmp->pixels[2];
- pict.data[2] = vp->bmp->pixels[1];
+ data[0] = vp->bmp->pixels[0];
+ data[1] = vp->bmp->pixels[2];
+ data[2] = vp->bmp->pixels[1];
- pict.linesize[0] = vp->bmp->pitches[0];
- pict.linesize[1] = vp->bmp->pitches[2];
- pict.linesize[2] = vp->bmp->pitches[1];
+ linesize[0] = vp->bmp->pitches[0];
+ linesize[1] = vp->bmp->pitches[2];
+ linesize[2] = vp->bmp->pitches[1];
#if CONFIG_AVFILTER
- pict_src.data[0] = src_frame->data[0];
- pict_src.data[1] = src_frame->data[1];
- pict_src.data[2] = src_frame->data[2];
-
- pict_src.linesize[0] = src_frame->linesize[0];
- pict_src.linesize[1] = src_frame->linesize[1];
- pict_src.linesize[2] = src_frame->linesize[2];
-
// FIXME use direct rendering
- av_picture_copy(&pict, &pict_src,
- vp->pix_fmt, vp->width, vp->height);
+ av_image_copy(data, linesize, src_frame->data, src_frame->linesize,
+ vp->pix_fmt, vp->width, vp->height);
#else
- sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
+ av_opt_get_int(sws_opts, "sws_flags", 0, &sws_flags);
is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
dst_pix_fmt, sws_flags, NULL, NULL, NULL);
- if (is->img_convert_ctx == NULL) {
+ if (!is->img_convert_ctx) {
fprintf(stderr, "Cannot initialize the conversion context\n");
exit(1);
}
sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
- 0, vp->height, pict.data, pict.linesize);
+ 0, vp->height, data, linesize);
#endif
/* update the bitmap content */
SDL_UnlockYUVOverlay(vp->bmp);
return 0;
}
-/**
- * compute the exact PTS for the picture if it is omitted in the stream
- * @param pts1 the dts of the pkt / pts of the frame
- */
+/* Compute the exact PTS for the picture if it is omitted in the stream.
+ * The 'pts1' parameter is the dts of the packet / pts of the frame. */
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
{
double frame_delay, pts;
+ int ret;
pts = pts1;
frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
is->video_clock += frame_delay;
- return queue_picture(is, src_frame, pts, pos);
+ ret = queue_picture(is, src_frame, pts, pos);
+ av_frame_unref(src_frame);
+ return ret;
}
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
init_pts_correction(&is->pts_ctx);
is->frame_last_pts = AV_NOPTS_VALUE;
is->frame_last_delay = 0;
- is->frame_timer = (double)av_gettime() / 1000000.0;
+ is->frame_timer = (double)av_gettime_relative() / 1000000.0;
is->skip_frames = 1;
is->skip_frames_index = 0;
return 0;
if (*pts == AV_NOPTS_VALUE) {
*pts = 0;
}
+ if (is->video_st->sample_aspect_ratio.num) {
+ frame->sample_aspect_ratio = is->video_st->sample_aspect_ratio;
+ }
is->skip_frames_index += 1;
if (is->skip_frames_index >= is->skip_frames) {
is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
return 1;
}
-
+ av_frame_unref(frame);
}
return 0;
}
char sws_flags_str[128];
char buffersrc_args[256];
int ret;
- AVFilterContext *filt_src = NULL, *filt_out = NULL, *filt_format;
+ AVFilterContext *filt_src = NULL, *filt_out = NULL, *last_filter;
AVCodecContext *codec = is->video_st->codec;
- snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
+ snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%"PRId64, sws_flags);
graph->scale_sws_opts = av_strdup(sws_flags_str);
snprintf(buffersrc_args, sizeof(buffersrc_args), "%d:%d:%d:%d:%d:%d:%d",
"out", NULL, NULL, graph)) < 0)
return ret;
- if ((ret = avfilter_graph_create_filter(&filt_format,
- avfilter_get_by_name("format"),
- "format", "yuv420p", NULL, graph)) < 0)
- return ret;
- if ((ret = avfilter_link(filt_format, 0, filt_out, 0)) < 0)
- return ret;
-
+ last_filter = filt_out;
+
+/* Note: this macro adds a filter before the lastly added filter, so the
+ * processing order of the filters is in reverse */
+#define INSERT_FILT(name, arg) do { \
+ AVFilterContext *filt_ctx; \
+ \
+ ret = avfilter_graph_create_filter(&filt_ctx, \
+ avfilter_get_by_name(name), \
+ "avplay_" name, arg, NULL, graph); \
+ if (ret < 0) \
+ return ret; \
+ \
+ ret = avfilter_link(filt_ctx, 0, last_filter, 0); \
+ if (ret < 0) \
+ return ret; \
+ \
+ last_filter = filt_ctx; \
+} while (0)
+
+ INSERT_FILT("format", "yuv420p");
+
+ if (autorotate) {
+ uint8_t* displaymatrix = av_stream_get_side_data(is->video_st,
+ AV_PKT_DATA_DISPLAYMATRIX, NULL);
+ if (displaymatrix) {
+ double rot = av_display_rotation_get((int32_t*) displaymatrix);
+ if (rot < -135 || rot > 135) {
+ INSERT_FILT("vflip", NULL);
+ INSERT_FILT("hflip", NULL);
+ } else if (rot < -45) {
+ INSERT_FILT("transpose", "dir=clock");
+ } else if (rot > 45) {
+ INSERT_FILT("transpose", "dir=cclock");
+ }
+ }
+ }
if (vfilters) {
AVFilterInOut *outputs = avfilter_inout_alloc();
outputs->next = NULL;
inputs->name = av_strdup("out");
- inputs->filter_ctx = filt_format;
+ inputs->filter_ctx = last_filter;
inputs->pad_idx = 0;
inputs->next = NULL;
if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
return ret;
} else {
- if ((ret = avfilter_link(filt_src, 0, filt_format, 0)) < 0)
+ if ((ret = avfilter_link(filt_src, 0, last_filter, 0)) < 0)
return ret;
}
is->in_video_filter = filt_src;
is->out_video_filter = filt_out;
- if (codec->codec->capabilities & CODEC_CAP_DR1) {
- is->use_dr1 = 1;
- codec->get_buffer = codec_get_buffer;
- codec->release_buffer = codec_release_buffer;
- codec->opaque = &is->buffer_pool;
- }
-
return ret;
}
{
AVPacket pkt = { 0 };
VideoState *is = arg;
- AVFrame *frame = avcodec_alloc_frame();
+ AVFrame *frame = av_frame_alloc();
int64_t pts_int;
double pts;
int ret;
#if CONFIG_AVFILTER
AVFilterGraph *graph = avfilter_graph_alloc();
AVFilterContext *filt_out = NULL, *filt_in = NULL;
- int64_t pos;
int last_w = is->video_st->codec->width;
int last_h = is->video_st->codec->height;
+ if (!graph) {
+ av_frame_free(&frame);
+ return AVERROR(ENOMEM);
+ }
if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
goto the_end;
filt_out = is->out_video_filter;
#endif
+ if (!frame) {
+#if CONFIG_AVFILTER
+ avfilter_graph_free(&graph);
+#endif
+ return AVERROR(ENOMEM);
+ }
+
for (;;) {
#if CONFIG_AVFILTER
- AVFilterBufferRef *picref;
AVRational tb;
#endif
while (is->paused && !is->videoq.abort_request)
SDL_Delay(10);
- av_free_packet(&pkt);
+ av_packet_unref(&pkt);
ret = get_video_frame(is, frame, &pts_int, &pkt);
if (ret < 0)
#if CONFIG_AVFILTER
if ( last_w != is->video_st->codec->width
|| last_h != is->video_st->codec->height) {
- av_dlog(NULL, "Changing size %dx%d -> %dx%d\n", last_w, last_h,
+ av_log(NULL, AV_LOG_TRACE, "Changing size %dx%d -> %dx%d\n", last_w, last_h,
is->video_st->codec->width, is->video_st->codec->height);
avfilter_graph_free(&graph);
graph = avfilter_graph_alloc();
}
frame->pts = pts_int;
- if (is->use_dr1) {
- FrameBuffer *buf = frame->opaque;
- AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
- frame->data, frame->linesize,
- AV_PERM_READ | AV_PERM_PRESERVE,
- frame->width, frame->height,
- frame->format);
-
- avfilter_copy_frame_props(fb, frame);
- fb->buf->priv = buf;
- fb->buf->free = filter_release_buffer;
-
- buf->refcount++;
- av_buffersrc_buffer(filt_in, fb);
-
- } else
- av_buffersrc_write_frame(filt_in, frame);
+ ret = av_buffersrc_add_frame(filt_in, frame);
+ if (ret < 0)
+ goto the_end;
while (ret >= 0) {
- ret = av_buffersink_read(filt_out, &picref);
+ ret = av_buffersink_get_frame(filt_out, frame);
if (ret < 0) {
ret = 0;
break;
}
- avfilter_copy_buf_props(frame, picref);
-
- pts_int = picref->pts;
+ pts_int = frame->pts;
tb = filt_out->inputs[0]->time_base;
- pos = picref->pos;
- frame->opaque = picref;
-
if (av_cmp_q(tb, is->video_st->time_base)) {
av_unused int64_t pts1 = pts_int;
pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
- av_dlog(NULL, "video_thread(): "
+ av_log(NULL, AV_LOG_TRACE, "video_thread(): "
"tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
tb.num, tb.den, pts1,
is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
}
pts = pts_int * av_q2d(is->video_st->time_base);
- ret = output_picture2(is, frame, pts, pos);
+ ret = output_picture2(is, frame, pts, 0);
}
#else
pts = pts_int * av_q2d(is->video_st->time_base);
if (ret < 0)
goto the_end;
+
if (step)
if (cur_stream)
stream_pause(cur_stream);
av_freep(&vfilters);
avfilter_graph_free(&graph);
#endif
- av_free_packet(&pkt);
- av_free(frame);
+ av_packet_unref(&pkt);
+ av_frame_free(&frame);
return 0;
}
{
for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
{
- RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
+ RGBA_IN(r, g, b, a, (uint32_t *)sp->sub.rects[i]->data[1] + j);
y = RGB_TO_Y_CCIR(r, g, b);
u = RGB_TO_U_CCIR(r, g, b, 0);
v = RGB_TO_V_CCIR(r, g, b, 0);
- YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
+ YUVA_OUT((uint32_t *)sp->sub.rects[i]->data[1] + j, y, u, v, a);
}
}
is->subpq_size++;
SDL_UnlockMutex(is->subpq_mutex);
}
- av_free_packet(pkt);
+ av_packet_unref(pkt);
}
return 0;
}
avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
if (fabs(avg_diff) >= is->audio_diff_threshold) {
- wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
+ wanted_size = samples_size + ((int)(diff * is->sdl_sample_rate) * n);
nb_samples = samples_size / n;
min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
samples_size = wanted_size;
}
}
- av_dlog(NULL, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
+ av_log(NULL, AV_LOG_TRACE, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
diff, avg_diff, samples_size - samples_size1,
is->audio_clock, is->video_clock, is->audio_diff_threshold);
}
int resample_changed, audio_resample;
if (!is->frame) {
- if (!(is->frame = avcodec_alloc_frame()))
+ if (!(is->frame = av_frame_alloc()))
return AVERROR(ENOMEM);
- } else
- avcodec_get_frame_defaults(is->frame);
+ }
if (flush_complete)
break;
if (!got_frame) {
/* stop sending empty packets if the decoder is finished */
- if (!pkt_temp->data && dec->codec->capabilities & CODEC_CAP_DELAY)
+ if (!pkt_temp->data && (dec->codec->capabilities & AV_CODEC_CAP_DELAY))
flush_complete = 1;
continue;
}
data_size = av_samples_get_buffer_size(NULL, dec->channels,
is->frame->nb_samples,
- dec->sample_fmt, 1);
+ is->frame->format, 1);
- audio_resample = dec->sample_fmt != is->sdl_sample_fmt ||
- dec->channel_layout != is->sdl_channel_layout;
+ audio_resample = is->frame->format != is->sdl_sample_fmt ||
+ is->frame->channel_layout != is->sdl_channel_layout ||
+ is->frame->sample_rate != is->sdl_sample_rate;
- resample_changed = dec->sample_fmt != is->resample_sample_fmt ||
- dec->channel_layout != is->resample_channel_layout;
+ resample_changed = is->frame->format != is->resample_sample_fmt ||
+ is->frame->channel_layout != is->resample_channel_layout ||
+ is->frame->sample_rate != is->resample_sample_rate;
if ((!is->avr && audio_resample) || resample_changed) {
int ret;
}
}
if (audio_resample) {
- av_opt_set_int(is->avr, "in_channel_layout", dec->channel_layout, 0);
- av_opt_set_int(is->avr, "in_sample_fmt", dec->sample_fmt, 0);
- av_opt_set_int(is->avr, "in_sample_rate", dec->sample_rate, 0);
- av_opt_set_int(is->avr, "out_channel_layout", is->sdl_channel_layout, 0);
- av_opt_set_int(is->avr, "out_sample_fmt", is->sdl_sample_fmt, 0);
- av_opt_set_int(is->avr, "out_sample_rate", dec->sample_rate, 0);
+ av_opt_set_int(is->avr, "in_channel_layout", is->frame->channel_layout, 0);
+ av_opt_set_int(is->avr, "in_sample_fmt", is->frame->format, 0);
+ av_opt_set_int(is->avr, "in_sample_rate", is->frame->sample_rate, 0);
+ av_opt_set_int(is->avr, "out_channel_layout", is->sdl_channel_layout, 0);
+ av_opt_set_int(is->avr, "out_sample_fmt", is->sdl_sample_fmt, 0);
+ av_opt_set_int(is->avr, "out_sample_rate", is->sdl_sample_rate, 0);
if ((ret = avresample_open(is->avr)) < 0) {
fprintf(stderr, "error initializing libavresample\n");
break;
}
}
- is->resample_sample_fmt = dec->sample_fmt;
- is->resample_channel_layout = dec->channel_layout;
+ is->resample_sample_fmt = is->frame->format;
+ is->resample_channel_layout = is->frame->channel_layout;
+ is->resample_sample_rate = is->frame->sample_rate;
}
if (audio_resample) {
is->audio_buf1 = tmp_out;
out_samples = avresample_convert(is->avr,
- (void **)&is->audio_buf1,
+ &is->audio_buf1,
out_linesize, nb_samples,
- (void **)is->frame->data,
+ is->frame->data,
is->frame->linesize[0],
is->frame->nb_samples);
if (out_samples < 0) {
*pts_ptr = pts;
n = is->sdl_channels * av_get_bytes_per_sample(is->sdl_sample_fmt);
is->audio_clock += (double)data_size /
- (double)(n * dec->sample_rate);
+ (double)(n * is->sdl_sample_rate);
#ifdef DEBUG
{
static double last_clock;
/* free the current packet */
if (pkt->data)
- av_free_packet(pkt);
+ av_packet_unref(pkt);
memset(pkt_temp, 0, sizeof(*pkt_temp));
if (is->paused || is->audioq.abort_request) {
int audio_size, len1;
double pts;
- audio_callback_time = av_gettime();
+ audio_callback_time = av_gettime_relative();
while (len > 0) {
if (is->audio_buf_index >= is->audio_buf_size) {
SDL_AudioSpec wanted_spec, spec;
AVDictionary *opts;
AVDictionaryEntry *t = NULL;
+ int ret = 0;
if (stream_index < 0 || stream_index >= ic->nb_streams)
return -1;
opts = filter_codec_opts(codec_opts, avctx->codec_id, ic, ic->streams[stream_index], NULL);
codec = avcodec_find_decoder(avctx->codec_id);
- avctx->debug_mv = debug_mv;
- avctx->debug = debug;
avctx->workaround_bugs = workaround_bugs;
avctx->idct_algo = idct;
avctx->skip_frame = skip_frame;
avctx->skip_loop_filter = skip_loop_filter;
avctx->error_concealment = error_concealment;
- if (fast) avctx->flags2 |= CODEC_FLAG2_FAST;
+ if (fast)
+ avctx->flags2 |= AV_CODEC_FLAG2_FAST;
if (!av_dict_get(opts, "threads", NULL, 0))
av_dict_set(&opts, "threads", "auto", 0);
+ if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
+ av_dict_set(&opts, "refcounted_frames", "1", 0);
if (!codec ||
- avcodec_open2(avctx, codec, &opts) < 0)
- return -1;
+ (ret = avcodec_open2(avctx, codec, &opts)) < 0) {
+ goto fail;
+ }
if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
- return AVERROR_OPTION_NOT_FOUND;
+ ret = AVERROR_OPTION_NOT_FOUND;
+ goto fail;
}
/* prepare audio output */
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
- wanted_spec.freq = avctx->sample_rate;
- wanted_spec.format = AUDIO_S16SYS;
+ is->sdl_sample_rate = avctx->sample_rate;
if (!avctx->channel_layout)
avctx->channel_layout = av_get_default_channel_layout(avctx->channels);
if (!avctx->channel_layout) {
fprintf(stderr, "unable to guess channel layout\n");
- return -1;
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
}
if (avctx->channels == 1)
is->sdl_channel_layout = AV_CH_LAYOUT_MONO;
is->sdl_channel_layout = AV_CH_LAYOUT_STEREO;
is->sdl_channels = av_get_channel_layout_nb_channels(is->sdl_channel_layout);
+ wanted_spec.format = AUDIO_S16SYS;
+ wanted_spec.freq = is->sdl_sample_rate;
wanted_spec.channels = is->sdl_channels;
wanted_spec.silence = 0;
wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
wanted_spec.userdata = is;
if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
- return -1;
+ ret = AVERROR_UNKNOWN;
+ goto fail;
}
is->audio_hw_buf_size = spec.size;
is->sdl_sample_fmt = AV_SAMPLE_FMT_S16;
is->resample_sample_fmt = is->sdl_sample_fmt;
- is->resample_channel_layout = is->sdl_channel_layout;
+ is->resample_channel_layout = avctx->channel_layout;
+ is->resample_sample_rate = avctx->sample_rate;
}
ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
default:
break;
}
- return 0;
+
+fail:
+ av_dict_free(&opts);
+
+ return ret;
}
static void stream_component_close(VideoState *is, int stream_index)
SDL_CloseAudio();
packet_queue_end(&is->audioq);
- av_free_packet(&is->audio_pkt);
+ av_packet_unref(&is->audio_pkt);
if (is->avr)
avresample_free(&is->avr);
av_freep(&is->audio_buf1);
is->audio_buf = NULL;
- av_freep(&is->frame);
+ av_frame_free(&is->frame);
if (is->rdft) {
av_rdft_end(is->rdft);
ic->streams[stream_index]->discard = AVDISCARD_ALL;
avcodec_close(avctx);
-#if CONFIG_AVFILTER
- free_buffer_pool(&is->buffer_pool);
-#endif
switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
is->audio_st = NULL;
global_video_state = is;
ic = avformat_alloc_context();
+ if (!ic) {
+ av_log(NULL, AV_LOG_FATAL, "Could not allocate context.\n");
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
ic->interrupt_callback.callback = decode_interrupt_cb;
err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
if (err < 0) {
orig_nb_streams = ic->nb_streams;
err = avformat_find_stream_info(ic, opts);
+
+ for (i = 0; i < orig_nb_streams; i++)
+ av_dict_free(&opts[i]);
+ av_freep(&opts);
+
if (err < 0) {
fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
ret = -1;
goto fail;
}
- for (i = 0; i < orig_nb_streams; i++)
- av_dict_free(&opts[i]);
- av_freep(&opts);
if (ic->pb)
ic->pb->eof_reached = 0; // FIXME hack, avplay maybe should not use url_feof() to test for the end
packet_queue_put(&is->videoq, pkt);
}
if (is->audio_stream >= 0 &&
- is->audio_st->codec->codec->capabilities & CODEC_CAP_DELAY) {
+ (is->audio_st->codec->codec->capabilities & AV_CODEC_CAP_DELAY)) {
av_init_packet(pkt);
pkt->data = NULL;
pkt->size = 0;
if (is->audioq.size + is->videoq.size + is->subtitleq.size == 0) {
if (loop != 1 && (!loop || --loop)) {
stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
- } else if (autoexit) {
+ } else if (!noautoexit) {
ret = AVERROR_EOF;
goto fail;
}
} else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
packet_queue_put(&is->subtitleq, pkt);
} else {
- av_free_packet(pkt);
+ av_packet_unref(pkt);
}
}
/* wait until the end */
}
}
+static void seek_chapter(VideoState *is, int incr)
+{
+ int64_t pos = get_master_clock(is) * AV_TIME_BASE;
+ int i;
+
+ if (!is->ic->nb_chapters)
+ return;
+
+ /* find the current chapter */
+ for (i = 0; i < is->ic->nb_chapters; i++) {
+ AVChapter *ch = is->ic->chapters[i];
+ if (av_compare_ts(pos, AV_TIME_BASE_Q, ch->start, ch->time_base) < 0) {
+ i--;
+ break;
+ }
+ }
+
+ i += incr;
+ i = FFMAX(i, 0);
+ if (i >= is->ic->nb_chapters)
+ return;
+
+ av_log(NULL, AV_LOG_VERBOSE, "Seeking to chapter %d.\n", i);
+ stream_seek(is, av_rescale_q(is->ic->chapters[i]->start, is->ic->chapters[i]->time_base,
+ AV_TIME_BASE_Q), 0, 0);
+}
+
/* handle an event sent by the GUI */
static void event_loop(void)
{
case SDLK_w:
toggle_audio_display();
break;
+ case SDLK_PAGEUP:
+ seek_chapter(cur_stream, 1);
+ break;
+ case SDLK_PAGEDOWN:
+ seek_chapter(cur_stream, -1);
+ break;
case SDLK_LEFT:
incr = -10.0;
goto do_seek;
return 0;
}
-static int opt_debug(void *optctx, const char *opt, const char *arg)
-{
- av_log_set_level(99);
- debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
- return 0;
-}
-
-static int opt_vismv(void *optctx, const char *opt, const char *arg)
-{
- debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
- return 0;
-}
-
static const OptionDef options[] = {
#include "cmdutils_common_opts.h"
{ "x", HAS_ARG, { .func_arg = opt_width }, "force displayed width", "width" },
{ "y", HAS_ARG, { .func_arg = opt_height }, "force displayed height", "height" },
{ "s", HAS_ARG | OPT_VIDEO, { .func_arg = opt_frame_size }, "set frame size (WxH or abbreviation)", "size" },
- { "fs", OPT_BOOL, { (void*)&is_full_screen }, "force full screen" },
- { "an", OPT_BOOL, { (void*)&audio_disable }, "disable audio" },
- { "vn", OPT_BOOL, { (void*)&video_disable }, "disable video" },
- { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&wanted_stream[AVMEDIA_TYPE_AUDIO] }, "select desired audio stream", "stream_number" },
- { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&wanted_stream[AVMEDIA_TYPE_VIDEO] }, "select desired video stream", "stream_number" },
- { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE] }, "select desired subtitle stream", "stream_number" },
+ { "fs", OPT_BOOL, { &is_full_screen }, "force full screen" },
+ { "an", OPT_BOOL, { &audio_disable }, "disable audio" },
+ { "vn", OPT_BOOL, { &video_disable }, "disable video" },
+ { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, { &wanted_stream[AVMEDIA_TYPE_AUDIO] }, "select desired audio stream", "stream_number" },
+ { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, { &wanted_stream[AVMEDIA_TYPE_VIDEO] }, "select desired video stream", "stream_number" },
+ { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, { &wanted_stream[AVMEDIA_TYPE_SUBTITLE] }, "select desired subtitle stream", "stream_number" },
{ "ss", HAS_ARG, { .func_arg = opt_seek }, "seek to a given position in seconds", "pos" },
{ "t", HAS_ARG, { .func_arg = opt_duration }, "play \"duration\" seconds of audio/video", "duration" },
- { "bytes", OPT_INT | HAS_ARG, { (void*)&seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" },
- { "nodisp", OPT_BOOL, { (void*)&display_disable }, "disable graphical display" },
+ { "bytes", OPT_INT | HAS_ARG, { &seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" },
+ { "nodisp", OPT_BOOL, { &display_disable }, "disable graphical display" },
{ "f", HAS_ARG, { .func_arg = opt_format }, "force format", "fmt" },
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_frame_pix_fmt }, "set pixel format", "format" },
- { "stats", OPT_BOOL | OPT_EXPERT, { (void*)&show_status }, "show status", "" },
- { "debug", HAS_ARG | OPT_EXPERT, { .func_arg = opt_debug }, "print specific debug info", "" },
- { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&workaround_bugs }, "workaround bugs", "" },
- { "vismv", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vismv }, "visualize motion vectors", "" },
- { "fast", OPT_BOOL | OPT_EXPERT, { (void*)&fast }, "non spec compliant optimizations", "" },
- { "genpts", OPT_BOOL | OPT_EXPERT, { (void*)&genpts }, "generate pts", "" },
- { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&decoder_reorder_pts }, "let decoder reorder pts 0=off 1=on -1=auto", ""},
- { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&skip_loop_filter }, "", "" },
- { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&skip_frame }, "", "" },
- { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&skip_idct }, "", "" },
- { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&idct }, "set idct algo", "algo" },
- { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&error_concealment }, "set error concealment options", "bit_mask" },
+ { "stats", OPT_BOOL | OPT_EXPERT, { &show_status }, "show status", "" },
+ { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, { &workaround_bugs }, "workaround bugs", "" },
+ { "fast", OPT_BOOL | OPT_EXPERT, { &fast }, "non spec compliant optimizations", "" },
+ { "genpts", OPT_BOOL | OPT_EXPERT, { &genpts }, "generate pts", "" },
+ { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, { &decoder_reorder_pts }, "let decoder reorder pts 0=off 1=on -1=auto", ""},
+ { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, { &skip_loop_filter }, "", "" },
+ { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, { &skip_frame }, "", "" },
+ { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, { &skip_idct }, "", "" },
+ { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, { &idct }, "set idct algo", "algo" },
+ { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, { &error_concealment }, "set error concealment options", "bit_mask" },
{ "sync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_sync }, "set audio-video sync. type (type=audio/video/ext)", "type" },
- { "autoexit", OPT_BOOL | OPT_EXPERT, { (void*)&autoexit }, "exit at the end", "" },
- { "exitonkeydown", OPT_BOOL | OPT_EXPERT, { (void*)&exit_on_keydown }, "exit on key down", "" },
- { "exitonmousedown", OPT_BOOL | OPT_EXPERT, { (void*)&exit_on_mousedown }, "exit on mouse down", "" },
- { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&loop }, "set number of times the playback shall be looped", "loop count" },
- { "framedrop", OPT_BOOL | OPT_EXPERT, { (void*)&framedrop }, "drop frames when cpu is too slow", "" },
- { "infbuf", OPT_BOOL | OPT_EXPERT, { (void*)&infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },
- { "window_title", OPT_STRING | HAS_ARG, { (void*)&window_title }, "set window title", "window title" },
+ { "noautoexit", OPT_BOOL | OPT_EXPERT, { &noautoexit }, "Do not exit at the end of playback", "" },
+ { "exitonkeydown", OPT_BOOL | OPT_EXPERT, { &exit_on_keydown }, "exit on key down", "" },
+ { "exitonmousedown", OPT_BOOL | OPT_EXPERT, { &exit_on_mousedown }, "exit on mouse down", "" },
+ { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, { &loop }, "set number of times the playback shall be looped", "loop count" },
+ { "framedrop", OPT_BOOL | OPT_EXPERT, { &framedrop }, "drop frames when cpu is too slow", "" },
+ { "infbuf", OPT_BOOL | OPT_EXPERT, { &infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },
+ { "window_title", OPT_STRING | HAS_ARG, { &window_title }, "set window title", "window title" },
#if CONFIG_AVFILTER
- { "vf", OPT_STRING | HAS_ARG, { (void*)&vfilters }, "video filters", "filter list" },
+ { "vf", OPT_STRING | HAS_ARG, { &vfilters }, "video filters", "filter list" },
#endif
- { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { (void*)&rdftspeed }, "rdft speed", "msecs" },
- { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { (void*)opt_default }, "generic catch all option", "" },
+ { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
+ { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { opt_default }, "generic catch all option", "" },
{ "i", 0, { NULL }, "avconv compatibility dummy option", ""},
+ { "autorotate", OPT_BOOL, { &autorotate }, "automatically rotate video", "" },
{ NULL, },
};
}
if (!display_disable) {
-#if HAVE_SDL_VIDEO_SIZE
const SDL_VideoInfo *vi = SDL_GetVideoInfo();
fs_screen_width = vi->current_w;
fs_screen_height = vi->current_h;
-#endif
}
SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
av_init_packet(&flush_pkt);
- flush_pkt.data = "FLUSH";
+ flush_pkt.data = (uint8_t *)&flush_pkt;
cur_stream = stream_open(input_filename, file_iformat);
projects / ffmpeg / blobdiff