+diff --git a/examples/am7xxx-modeswitch.c b/examples/am7xxx-modeswitch.c
+index c304515..4f132d6 100644
+--- a/examples/am7xxx-modeswitch.c
++++ b/examples/am7xxx-modeswitch.c
+@@ -46,7 +46,7 @@ int main(void)
+ goto out;
+ }
+
+- libusb_set_debug(NULL, LIBUSB_LOG_LEVEL_INFO);
++ libusb_set_debug(NULL, 3);
+
+ usb_device = libusb_open_device_with_vid_pid(NULL,
+ AM7XXX_STORAGE_VID,
diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c
-index 46a91c9..fed455f 100644
+index 81aff84..1ee42e0 100644
--- a/examples/am7xxx-play.c
+++ b/examples/am7xxx-play.c
@@ -31,7 +31,6 @@
#include <libswscale/swscale.h>
#include <am7xxx.h>
-@@ -308,7 +307,7 @@ static int am7xxx_play(const char *input_format_string,
+@@ -51,10 +50,10 @@ static int video_input_init(struct video_input_ctx *input_ctx,
+ {
+ AVInputFormat *input_format = NULL;
+ AVFormatContext *input_format_ctx;
+- AVCodecParameters *input_codec_params;
+ AVCodecContext *input_codec_ctx;
+ AVCodec *input_codec;
+ int video_index;
++ unsigned int i;
+ int ret;
+
+ avdevice_register_all();
+@@ -99,32 +98,34 @@ static int video_input_init(struct video_input_ctx *input_ctx,
+ av_dump_format(input_format_ctx, 0, input_path, 0);
+
+ /* look for the first video_stream */
+- video_index = av_find_best_stream(input_format_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, &input_codec, 0);
+- if (video_index < 0) {
++ video_index = -1;
++ for (i = 0; i < input_format_ctx->nb_streams; i++)
++ if (input_format_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
++ video_index = i;
++ break;
++ }
++ if (video_index == -1) {
+ fprintf(stderr, "cannot find any video streams\n");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+- input_codec_ctx = avcodec_alloc_context3(input_codec);
+- if (input_codec_ctx == NULL) {
+- fprintf(stderr, "failed to allocate the input codec context\n");
+- ret = -ENOMEM;
+- goto cleanup;
+- }
++ /* get a pointer to the codec context for the video stream */
++ input_codec_ctx = input_format_ctx->streams[video_index]->codec;
+
+- input_codec_params = input_format_ctx->streams[video_index]->codecpar;
+- ret = avcodec_parameters_to_context(input_codec_ctx, input_codec_params);
+- if (ret < 0) {
+- fprintf(stderr, "cannot copy parameters to input codec context\n");
+- goto cleanup_ctx;
++ /* find the decoder for the video stream */
++ input_codec = avcodec_find_decoder(input_codec_ctx->codec_id);
++ if (input_codec == NULL) {
++ fprintf(stderr, "input_codec is NULL!\n");
++ ret = -EINVAL;
++ goto cleanup;
+ }
+
+ /* open the decoder */
+ ret = avcodec_open2(input_codec_ctx, input_codec, NULL);
+ if (ret < 0) {
+ fprintf(stderr, "cannot open input codec\n");
+- goto cleanup_ctx;
++ goto cleanup;
+ }
+
+ input_ctx->format_ctx = input_format_ctx;
+@@ -134,8 +135,6 @@ static int video_input_init(struct video_input_ctx *input_ctx,
+ ret = 0;
+ goto out;
+
+-cleanup_ctx:
+- avcodec_free_context(&input_codec_ctx);
+ cleanup:
+ avformat_close_input(&input_format_ctx);
+ out:
+@@ -177,7 +176,7 @@ static int video_output_init(struct video_output_ctx *output_ctx,
+ goto out;
+ }
+
+- /* Calculate the new output dimension so the original frame is shown
++ /* Calculate the new output dimension so the original picture is shown
+ * in its entirety */
+ ret = am7xxx_calc_scaled_image_dimensions(dev,
+ upscale,
+@@ -226,7 +225,7 @@ static int video_output_init(struct video_output_ctx *output_ctx,
+ output_codec_ctx->qmin = output_codec_ctx->qmax = ((100 - (quality - 1)) * FF_QUALITY_SCALE) / 100;
+ output_codec_ctx->mb_lmin = output_codec_ctx->qmin * FF_QP2LAMBDA;
+ output_codec_ctx->mb_lmax = output_codec_ctx->qmax * FF_QP2LAMBDA;
+- output_codec_ctx->flags |= AV_CODEC_FLAG_QSCALE;
++ output_codec_ctx->flags |= CODEC_FLAG_QSCALE;
+ output_codec_ctx->global_quality = output_codec_ctx->qmin * FF_QP2LAMBDA;
+
+ /* find the encoder */
+@@ -257,67 +256,6 @@ out:
+ }
+
+
+-/*
+- * Wrap the new avcodec API from FFMpeg 3.1 to minimize the changes in the
+- * user code.
+- *
+- * If the use of the wrappers were to be made conditional, a check like the
+- * following could be used:
+- *
+- * #if (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 48, 101))
+- *
+- * As derived from the APIchanges document:
+- * https://github.com/FFmpeg/FFmpeg/blob/master/doc/APIchanges
+- *
+- * The wrapper implementation has been taken from:
+- * https://blogs.gentoo.org/lu_zero/2016/03/29/new-avcodec-api/
+- */
+-static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
+-{
+- int ret;
+-
+- *got_frame = 0;
+-
+- if (pkt) {
+- ret = avcodec_send_packet(avctx, pkt);
+- /*
+- * In particular, we don't expect AVERROR(EAGAIN), because we
+- * read all decoded frames with avcodec_receive_frame() until
+- * done.
+- */
+- if (ret < 0)
+- return ret == AVERROR_EOF ? 0 : ret;
+- }
+-
+- ret = avcodec_receive_frame(avctx, frame);
+- if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
+- return ret;
+- if (ret >= 0)
+- *got_frame = 1;
+-
+- return 0;
+-}
+-
+-static int encode(AVCodecContext *avctx, AVPacket *pkt, int *got_packet, AVFrame *frame)
+-{
+- int ret;
+-
+- *got_packet = 0;
+-
+- ret = avcodec_send_frame(avctx, frame);
+- if (ret < 0)
+- return ret;
+-
+- ret = avcodec_receive_packet(avctx, pkt);
+- if (!ret)
+- *got_packet = 1;
+- if (ret == AVERROR(EAGAIN))
+- return 0;
+-
+- return ret;
+-}
+-
+-
+ static int am7xxx_play(const char *input_format_string,
+ AVDictionary **input_options,
+ const char *input_path,
+@@ -330,16 +268,16 @@ static int am7xxx_play(const char *input_format_string,
+ {
+ struct video_input_ctx input_ctx;
+ struct video_output_ctx output_ctx;
+- AVFrame *frame_raw;
+- AVFrame *frame_scaled;
++ AVFrame *picture_raw;
++ AVFrame *picture_scaled;
+ int out_buf_size;
+ uint8_t *out_buf;
+- int out_frame_size;
+- uint8_t *out_frame;
++ int out_picture_size;
++ uint8_t *out_picture;
+ struct SwsContext *sw_scale_ctx;
+ AVPacket in_packet;
+ AVPacket out_packet;
+- int got_frame;
++ int got_picture;
+ int got_packet;
+ int ret;
+
+@@ -356,44 +294,41 @@ static int am7xxx_play(const char *input_format_string,
}
/* allocate an input frame */
-- picture_raw = av_frame_alloc();
+- frame_raw = av_frame_alloc();
+- if (frame_raw == NULL) {
+- fprintf(stderr, "cannot allocate the raw frame!\n");
+ picture_raw = avcodec_alloc_frame();
- if (picture_raw == NULL) {
- fprintf(stderr, "cannot allocate the raw picture frame!\n");
++ if (picture_raw == NULL) {
++ fprintf(stderr, "cannot allocate the raw picture frame!\n");
ret = -ENOMEM;
-@@ -316,7 +315,7 @@ static int am7xxx_play(const char *input_format_string,
+ goto cleanup_output;
}
/* allocate output frame */
-- picture_scaled = av_frame_alloc();
+- frame_scaled = av_frame_alloc();
+- if (frame_scaled == NULL) {
+- fprintf(stderr, "cannot allocate the scaled frame!\n");
+ picture_scaled = avcodec_alloc_frame();
- if (picture_scaled == NULL) {
- fprintf(stderr, "cannot allocate the scaled picture!\n");
++ if (picture_scaled == NULL) {
++ fprintf(stderr, "cannot allocate the scaled picture!\n");
ret = -ENOMEM;
-@@ -327,10 +326,9 @@ static int am7xxx_play(const char *input_format_string,
- picture_scaled->height = (output_ctx.codec_ctx)->height;
+- goto cleanup_frame_raw;
++ goto cleanup_picture_raw;
+ }
+- frame_scaled->format = (output_ctx.codec_ctx)->pix_fmt;
+- frame_scaled->width = (output_ctx.codec_ctx)->width;
+- frame_scaled->height = (output_ctx.codec_ctx)->height;
++ picture_scaled->format = (output_ctx.codec_ctx)->pix_fmt;
++ picture_scaled->width = (output_ctx.codec_ctx)->width;
++ picture_scaled->height = (output_ctx.codec_ctx)->height;
/* calculate the bytes needed for the output image and create buffer for the output image */
- out_buf_size = av_image_get_buffer_size((output_ctx.codec_ctx)->pix_fmt,
out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
if (out_buf == NULL) {
fprintf(stderr, "cannot allocate output data buffer!\n");
-@@ -339,13 +337,11 @@ static int am7xxx_play(const char *input_format_string,
+ ret = -ENOMEM;
+- goto cleanup_frame_scaled;
++ goto cleanup_picture_scaled;
}
- /* assign appropriate parts of buffer to image planes in picture_scaled */
-- av_image_fill_arrays(picture_scaled->data,
-- picture_scaled->linesize,
+- /* assign appropriate parts of buffer to image planes in frame_scaled */
+- av_image_fill_arrays(frame_scaled->data,
+- frame_scaled->linesize,
- out_buf,
- (output_ctx.codec_ctx)->pix_fmt,
- (output_ctx.codec_ctx)->width,
- (output_ctx.codec_ctx)->height,
- 1);
++ /* assign appropriate parts of buffer to image planes in picture_scaled */
+ avpicture_fill((AVPicture *)picture_scaled,
+ out_buf,
+ (output_ctx.codec_ctx)->pix_fmt,
sw_scale_ctx = sws_getCachedContext(NULL,
(input_ctx.codec_ctx)->width,
-@@ -458,17 +454,17 @@ static int am7xxx_play(const char *input_format_string,
+@@ -430,8 +365,8 @@ static int am7xxx_play(const char *input_format_string,
+ }
+
+ /* decode */
+- got_frame = 0;
+- ret = decode(input_ctx.codec_ctx, frame_raw, &got_frame, &in_packet);
++ got_picture = 0;
++ ret = avcodec_decode_video2(input_ctx.codec_ctx, picture_raw, &got_picture, &in_packet);
+ if (ret < 0) {
+ fprintf(stderr, "cannot decode video\n");
+ run = 0;
+@@ -439,41 +374,41 @@ static int am7xxx_play(const char *input_format_string,
+ }
+
+ /* if we got the complete frame */
+- if (got_frame) {
++ if (got_picture) {
+ /*
+- * Rescaling the frame also changes its pixel format
++ * Rescaling the picture also changes its pixel format
+ * to the raw format supported by the projector if
+ * this was set in video_output_init()
+ */
+ sws_scale(sw_scale_ctx,
+- (const uint8_t * const *)frame_raw->data,
+- frame_raw->linesize,
++ (const uint8_t * const *)picture_raw->data,
++ picture_raw->linesize,
+ 0,
+ (input_ctx.codec_ctx)->height,
+- frame_scaled->data,
+- frame_scaled->linesize);
++ picture_scaled->data,
++ picture_scaled->linesize);
+
+ if (output_ctx.raw_output) {
+- out_frame = out_buf;
+- out_frame_size = out_buf_size;
++ out_picture = out_buf;
++ out_picture_size = out_buf_size;
+ } else {
+- frame_scaled->quality = (output_ctx.codec_ctx)->global_quality;
++ picture_scaled->quality = (output_ctx.codec_ctx)->global_quality;
+ av_init_packet(&out_packet);
+ out_packet.data = NULL;
+ out_packet.size = 0;
+ got_packet = 0;
+- ret = encode(output_ctx.codec_ctx,
+- &out_packet,
+- &got_packet,
+- frame_scaled);
++ ret = avcodec_encode_video2(output_ctx.codec_ctx,
++ &out_packet,
++ picture_scaled,
++ &got_packet);
+ if (ret < 0 || !got_packet) {
+ fprintf(stderr, "cannot encode video\n");
+ run = 0;
+ goto end_while;
+ }
+
+- out_frame = out_packet.data;
+- out_frame_size = out_packet.size;
++ out_picture = out_packet.data;
++ out_picture_size = out_packet.size;
+ }
+
+ #ifdef DEBUG
+@@ -485,7 +420,7 @@ static int am7xxx_play(const char *input_format_string,
+ else
+ snprintf(filename, NAME_MAX, "out.raw");
+ file = fopen(filename, "wb");
+- fwrite(out_frame, 1, out_frame_size, file);
++ fwrite(out_picture, 1, out_picture_size, file);
+ fclose(file);
+ }
+ #else
+@@ -496,8 +431,8 @@ static int am7xxx_play(const char *input_format_string,
+ image_format,
+ (output_ctx.codec_ctx)->width,
+ (output_ctx.codec_ctx)->height,
+- out_frame,
+- out_frame_size);
++ out_picture,
++ out_picture_size);
+ if (ret < 0) {
+ perror("am7xxx_send_image_async");
+ run = 0;
+@@ -506,17 +441,17 @@ static int am7xxx_play(const char *input_format_string,
}
end_while:
if (!output_ctx.raw_output && got_packet)
sws_freeContext(sw_scale_ctx);
cleanup_out_buf:
av_free(out_buf);
- cleanup_picture_scaled:
-- av_frame_free(&picture_scaled);
+-cleanup_frame_scaled:
+- av_frame_free(&frame_scaled);
+-cleanup_frame_raw:
+- av_frame_free(&frame_raw);
++cleanup_picture_scaled:
+ avcodec_free_frame(&picture_scaled);
- cleanup_picture_raw:
-- av_frame_free(&picture_raw);
++cleanup_picture_raw:
+ avcodec_free_frame(&picture_raw);
cleanup_output:
- /* av_free is needed as well,
+ /* Freeing the codec context is needed as well,
+@@ -527,7 +462,6 @@ cleanup_output:
+
+ cleanup_input:
+ avcodec_close(input_ctx.codec_ctx);
+- avcodec_free_context(&(input_ctx.codec_ctx));
+ avformat_close_input(&(input_ctx.format_ctx));
+
+ out:
diff --git a/src/am7xxx.c b/src/am7xxx.c
-index 84d7e9c..f26fc18 100644
+index 8573a59..fd726af 100644
--- a/src/am7xxx.c
+++ b/src/am7xxx.c
-@@ -1106,7 +1106,7 @@ AM7XXX_PUBLIC int am7xxx_init(am7xxx_context **ctx)
+@@ -1117,7 +1117,7 @@ AM7XXX_PUBLIC int am7xxx_init(am7xxx_context **ctx)
goto out_free_context;
}
projects / libam7xxx.git / commitdiff